21411840

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:88

約数の個数: 192

約数和(自身を含む): 74299680

約数和(自身を除く): 52887840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 41, 48, 51, 60, 64, 68, 80, 82, 85, 96, 102, 120, 123, 128, 136, 160, 164, 170, 192, 204, 205, 240, 246, 255, 256, 272, 320, 328, 340, 384, 408, 410, 480, 492, 510, 512, 544, 615, 640, 656, 680, 697, 768, 816, 820, 960, 984, 1020, 1024, 1088, 1230, 1280, 1312, 1360, 1394, 1536, 1632, 1640, 1920, 1968, 2040, 2048, 2091, 2176, 2460, 2560, 2624, 2720, 2788, 3072, 3264, 3280, 3485, 3840, 3936, 4080, 4182, 4352, 4920, 5120, 5248, 5440, 5576, 6144, 6528, 6560, 6970, 7680, 7872, 8160, 8364, 8704, 9840, 10240, 10455, 10496, 10880, 11152, 13056, 13120, 13940, 15360, 15744, 16320, 16728, 17408, 19680, 20910, 20992, 21760, 22304, 26112, 26240, 27880, 30720, 31488, 32640, 33456, 34816, 39360, 41820, 41984, 43520, 44608, 52224, 52480, 55760, 62976, 65280, 66912, 78720, 83640, 83968, 87040, 89216, 104448, 104960, 111520, 125952, 130560, 133824, 157440, 167280, 174080, 178432, 209920, 223040, 251904, 261120, 267648, 314880, 334560, 356864, 419840, 446080, 522240, 535296, 629760, 669120, 713728, 892160, 1070592, 1259520, 1338240, 1427456, 1784320, 2141184, 2676480, 3568640, 4282368, 5352960, 7137280, 10705920, 21411840]

約数ペア:

[(1, 21411840), (2, 10705920), (3, 7137280), (4, 5352960), (5, 4282368), (6, 3568640), (8, 2676480), (10, 2141184), (12, 1784320), (15, 1427456), (16, 1338240), (17, 1259520), (20, 1070592), (24, 892160), (30, 713728), (32, 669120), (34, 629760), (40, 535296), (41, 522240), (48, 446080), (51, 419840), (60, 356864), (64, 334560), (68, 314880), (80, 267648), (82, 261120), (85, 251904), (96, 223040), (102, 209920), (120, 178432), (123, 174080), (128, 167280), (136, 157440), (160, 133824), (164, 130560), (170, 125952), (192, 111520), (204, 104960), (205, 104448), (240, 89216), (246, 87040), (255, 83968), (256, 83640), (272, 78720), (320, 66912), (328, 65280), (340, 62976), (384, 55760), (408, 52480), (410, 52224), (480, 44608), (492, 43520), (510, 41984), (512, 41820), (544, 39360), (615, 34816), (640, 33456), (656, 32640), (680, 31488), (697, 30720), (768, 27880), (816, 26240), (820, 26112), (960, 22304), (984, 21760), (1020, 20992), (1024, 20910), (1088, 19680), (1230, 17408), (1280, 16728), (1312, 16320), (1360, 15744), (1394, 15360), (1536, 13940), (1632, 13120), (1640, 13056), (1920, 11152), (1968, 10880), (2040, 10496), (2048, 10455), (2091, 10240), (2176, 9840), (2460, 8704), (2560, 8364), (2624, 8160), (2720, 7872), (2788, 7680), (3072, 6970), (3264, 6560), (3280, 6528), (3485, 6144), (3840, 5576), (3936, 5440), (4080, 5248), (4182, 5120), (4352, 4920)]