21558210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1031}}^1$

素因数の和:1099

約数の個数: 64

約数和(自身を含む): 56173824

約数和(自身を除く): 34615614

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 41, 51, 82, 85, 102, 123, 170, 205, 246, 255, 410, 510, 615, 697, 1031, 1230, 1394, 2062, 2091, 3093, 3485, 4182, 5155, 6186, 6970, 10310, 10455, 15465, 17527, 20910, 30930, 35054, 42271, 52581, 84542, 87635, 105162, 126813, 175270, 211355, 253626, 262905, 422710, 525810, 634065, 718607, 1268130, 1437214, 2155821, 3593035, 4311642, 7186070, 10779105, 21558210]

約数ペア:

[(1, 21558210), (2, 10779105), (3, 7186070), (5, 4311642), (6, 3593035), (10, 2155821), (15, 1437214), (17, 1268130), (30, 718607), (34, 634065), (41, 525810), (51, 422710), (82, 262905), (85, 253626), (102, 211355), (123, 175270), (170, 126813), (205, 105162), (246, 87635), (255, 84542), (410, 52581), (510, 42271), (615, 35054), (697, 30930), (1031, 20910), (1230, 17527), (1394, 15465), (2062, 10455), (2091, 10310), (3093, 6970), (3485, 6186), (4182, 5155)]