21944280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:409

約数の個数: 128

約数和(自身を含む): 72161280

約数和(自身を除く): 50217000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 31, 34, 40, 51, 60, 62, 68, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 248, 255, 310, 340, 347, 372, 408, 465, 510, 527, 620, 680, 694, 744, 930, 1020, 1041, 1054, 1240, 1388, 1581, 1735, 1860, 2040, 2082, 2108, 2635, 2776, 3162, 3470, 3720, 4164, 4216, 5205, 5270, 5899, 6324, 6940, 7905, 8328, 10410, 10540, 10757, 11798, 12648, 13880, 15810, 17697, 20820, 21080, 21514, 23596, 29495, 31620, 32271, 35394, 41640, 43028, 47192, 53785, 58990, 63240, 64542, 70788, 86056, 88485, 107570, 117980, 129084, 141576, 161355, 176970, 182869, 215140, 235960, 258168, 322710, 353940, 365738, 430280, 548607, 645420, 707880, 731476, 914345, 1097214, 1290840, 1462952, 1828690, 2194428, 2743035, 3657380, 4388856, 5486070, 7314760, 10972140, 21944280]

約数ペア:

[(1, 21944280), (2, 10972140), (3, 7314760), (4, 5486070), (5, 4388856), (6, 3657380), (8, 2743035), (10, 2194428), (12, 1828690), (15, 1462952), (17, 1290840), (20, 1097214), (24, 914345), (30, 731476), (31, 707880), (34, 645420), (40, 548607), (51, 430280), (60, 365738), (62, 353940), (68, 322710), (85, 258168), (93, 235960), (102, 215140), (120, 182869), (124, 176970), (136, 161355), (155, 141576), (170, 129084), (186, 117980), (204, 107570), (248, 88485), (255, 86056), (310, 70788), (340, 64542), (347, 63240), (372, 58990), (408, 53785), (465, 47192), (510, 43028), (527, 41640), (620, 35394), (680, 32271), (694, 31620), (744, 29495), (930, 23596), (1020, 21514), (1041, 21080), (1054, 20820), (1240, 17697), (1388, 15810), (1581, 13880), (1735, 12648), (1860, 11798), (2040, 10757), (2082, 10540), (2108, 10410), (2635, 8328), (2776, 7905), (3162, 6940), (3470, 6324), (3720, 5899), (4164, 5270), (4216, 5205)]