21974040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:238

約数の個数: 192

約数和(自身を含む): 80870400

約数和(自身を除く): 58896360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 31, 33, 36, 40, 44, 45, 55, 60, 62, 66, 72, 88, 90, 93, 99, 110, 120, 124, 132, 155, 165, 179, 180, 186, 198, 220, 248, 264, 279, 310, 330, 341, 358, 360, 372, 396, 440, 465, 495, 537, 558, 620, 660, 682, 716, 744, 792, 895, 930, 990, 1023, 1074, 1116, 1240, 1320, 1364, 1395, 1432, 1611, 1705, 1790, 1860, 1969, 1980, 2046, 2148, 2232, 2685, 2728, 2790, 3069, 3222, 3410, 3580, 3720, 3938, 3960, 4092, 4296, 5115, 5370, 5549, 5580, 5907, 6138, 6444, 6820, 7160, 7876, 8055, 8184, 9845, 10230, 10740, 11098, 11160, 11814, 12276, 12888, 13640, 15345, 15752, 16110, 16647, 17721, 19690, 20460, 21480, 22196, 23628, 24552, 27745, 29535, 30690, 32220, 33294, 35442, 39380, 40920, 44392, 47256, 49941, 55490, 59070, 61039, 61380, 64440, 66588, 70884, 78760, 83235, 88605, 99882, 110980, 118140, 122078, 122760, 133176, 141768, 166470, 177210, 183117, 199764, 221960, 236280, 244156, 249705, 305195, 332940, 354420, 366234, 399528, 488312, 499410, 549351, 610390, 665880, 708840, 732468, 915585, 998820, 1098702, 1220780, 1464936, 1831170, 1997640, 2197404, 2441560, 2746755, 3662340, 4394808, 5493510, 7324680, 10987020, 21974040]

約数ペア:

[(1, 21974040), (2, 10987020), (3, 7324680), (4, 5493510), (5, 4394808), (6, 3662340), (8, 2746755), (9, 2441560), (10, 2197404), (11, 1997640), (12, 1831170), (15, 1464936), (18, 1220780), (20, 1098702), (22, 998820), (24, 915585), (30, 732468), (31, 708840), (33, 665880), (36, 610390), (40, 549351), (44, 499410), (45, 488312), (55, 399528), (60, 366234), (62, 354420), (66, 332940), (72, 305195), (88, 249705), (90, 244156), (93, 236280), (99, 221960), (110, 199764), (120, 183117), (124, 177210), (132, 166470), (155, 141768), (165, 133176), (179, 122760), (180, 122078), (186, 118140), (198, 110980), (220, 99882), (248, 88605), (264, 83235), (279, 78760), (310, 70884), (330, 66588), (341, 64440), (358, 61380), (360, 61039), (372, 59070), (396, 55490), (440, 49941), (465, 47256), (495, 44392), (537, 40920), (558, 39380), (620, 35442), (660, 33294), (682, 32220), (716, 30690), (744, 29535), (792, 27745), (895, 24552), (930, 23628), (990, 22196), (1023, 21480), (1074, 20460), (1116, 19690), (1240, 17721), (1320, 16647), (1364, 16110), (1395, 15752), (1432, 15345), (1611, 13640), (1705, 12888), (1790, 12276), (1860, 11814), (1969, 11160), (1980, 11098), (2046, 10740), (2148, 10230), (2232, 9845), (2685, 8184), (2728, 8055), (2790, 7876), (3069, 7160), (3222, 6820), (3410, 6444), (3580, 6138), (3720, 5907), (3938, 5580), (3960, 5549), (4092, 5370), (4296, 5115)]