21394800

素因数分解:

$2^4\times 3^3\times 5^2\times 7^1\times {\mathrm{283}}^1$

素因数の和:317

約数の個数: 240

約数和(自身を含む): 87335680

約数和(自身を除く): 65940880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 27, 28, 30, 35, 36, 40, 42, 45, 48, 50, 54, 56, 60, 63, 70, 72, 75, 80, 84, 90, 100, 105, 108, 112, 120, 126, 135, 140, 144, 150, 168, 175, 180, 189, 200, 210, 216, 225, 240, 252, 270, 280, 283, 300, 315, 336, 350, 360, 378, 400, 420, 432, 450, 504, 525, 540, 560, 566, 600, 630, 675, 700, 720, 756, 840, 849, 900, 945, 1008, 1050, 1080, 1132, 1200, 1260, 1350, 1400, 1415, 1512, 1575, 1680, 1698, 1800, 1890, 1981, 2100, 2160, 2264, 2520, 2547, 2700, 2800, 2830, 3024, 3150, 3396, 3600, 3780, 3962, 4200, 4245, 4528, 4725, 5040, 5094, 5400, 5660, 5943, 6300, 6792, 7075, 7560, 7641, 7924, 8400, 8490, 9450, 9905, 10188, 10800, 11320, 11886, 12600, 12735, 13584, 14150, 15120, 15282, 15848, 16980, 17829, 18900, 19810, 20376, 21225, 22640, 23772, 25200, 25470, 28300, 29715, 30564, 31696, 33960, 35658, 37800, 38205, 39620, 40752, 42450, 47544, 49525, 50940, 53487, 56600, 59430, 61128, 63675, 67920, 71316, 75600, 76410, 79240, 84900, 89145, 95088, 99050, 101880, 106974, 113200, 118860, 122256, 127350, 142632, 148575, 152820, 158480, 169800, 178290, 191025, 198100, 203760, 213948, 237720, 254700, 267435, 285264, 297150, 305640, 339600, 356580, 382050, 396200, 427896, 445725, 475440, 509400, 534870, 594300, 611280, 713160, 764100, 792400, 855792, 891450, 1018800, 1069740, 1188600, 1337175, 1426320, 1528200, 1782900, 2139480, 2377200, 2674350, 3056400, 3565800, 4278960, 5348700, 7131600, 10697400, 21394800]

約数ペア:

[(1, 21394800), (2, 10697400), (3, 7131600), (4, 5348700), (5, 4278960), (6, 3565800), (7, 3056400), (8, 2674350), (9, 2377200), (10, 2139480), (12, 1782900), (14, 1528200), (15, 1426320), (16, 1337175), (18, 1188600), (20, 1069740), (21, 1018800), (24, 891450), (25, 855792), (27, 792400), (28, 764100), (30, 713160), (35, 611280), (36, 594300), (40, 534870), (42, 509400), (45, 475440), (48, 445725), (50, 427896), (54, 396200), (56, 382050), (60, 356580), (63, 339600), (70, 305640), (72, 297150), (75, 285264), (80, 267435), (84, 254700), (90, 237720), (100, 213948), (105, 203760), (108, 198100), (112, 191025), (120, 178290), (126, 169800), (135, 158480), (140, 152820), (144, 148575), (150, 142632), (168, 127350), (175, 122256), (180, 118860), (189, 113200), (200, 106974), (210, 101880), (216, 99050), (225, 95088), (240, 89145), (252, 84900), (270, 79240), (280, 76410), (283, 75600), (300, 71316), (315, 67920), (336, 63675), (350, 61128), (360, 59430), (378, 56600), (400, 53487), (420, 50940), (432, 49525), (450, 47544), (504, 42450), (525, 40752), (540, 39620), (560, 38205), (566, 37800), (600, 35658), (630, 33960), (675, 31696), (700, 30564), (720, 29715), (756, 28300), (840, 25470), (849, 25200), (900, 23772), (945, 22640), (1008, 21225), (1050, 20376), (1080, 19810), (1132, 18900), (1200, 17829), (1260, 16980), (1350, 15848), (1400, 15282), (1415, 15120), (1512, 14150), (1575, 13584), (1680, 12735), (1698, 12600), (1800, 11886), (1890, 11320), (1981, 10800), (2100, 10188), (2160, 9905), (2264, 9450), (2520, 8490), (2547, 8400), (2700, 7924), (2800, 7641), (2830, 7560), (3024, 7075), (3150, 6792), (3396, 6300), (3600, 5943), (3780, 5660), (3962, 5400), (4200, 5094), (4245, 5040), (4528, 4725)]