21212340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:281

約数の個数: 96

約数和(自身を含む): 62657280

約数和(自身を除く): 41444940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 73, 87, 116, 145, 146, 167, 174, 219, 290, 292, 334, 348, 365, 435, 438, 501, 580, 668, 730, 835, 870, 876, 1002, 1095, 1460, 1670, 1740, 2004, 2117, 2190, 2505, 3340, 4234, 4380, 4843, 5010, 6351, 8468, 9686, 10020, 10585, 12191, 12702, 14529, 19372, 21170, 24215, 24382, 25404, 29058, 31755, 36573, 42340, 48430, 48764, 58116, 60955, 63510, 72645, 73146, 96860, 121910, 127020, 145290, 146292, 182865, 243820, 290580, 353539, 365730, 707078, 731460, 1060617, 1414156, 1767695, 2121234, 3535390, 4242468, 5303085, 7070780, 10606170, 21212340]

約数ペア:

[(1, 21212340), (2, 10606170), (3, 7070780), (4, 5303085), (5, 4242468), (6, 3535390), (10, 2121234), (12, 1767695), (15, 1414156), (20, 1060617), (29, 731460), (30, 707078), (58, 365730), (60, 353539), (73, 290580), (87, 243820), (116, 182865), (145, 146292), (146, 145290), (167, 127020), (174, 121910), (219, 96860), (290, 73146), (292, 72645), (334, 63510), (348, 60955), (365, 58116), (435, 48764), (438, 48430), (501, 42340), (580, 36573), (668, 31755), (730, 29058), (835, 25404), (870, 24382), (876, 24215), (1002, 21170), (1095, 19372), (1460, 14529), (1670, 12702), (1740, 12191), (2004, 10585), (2117, 10020), (2190, 9686), (2505, 8468), (3340, 6351), (4234, 5010), (4380, 4843)]