21476340

素因数分解:

$2^2\times 3^7\times 5^1\times {\mathrm{491}}^1$

素因数の和:521

約数の個数: 96

約数和(自身を含む): 67777920

約数和(自身を除く): 46301580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 491, 540, 729, 810, 972, 982, 1215, 1458, 1473, 1620, 1964, 2187, 2430, 2455, 2916, 2946, 3645, 4374, 4419, 4860, 4910, 5892, 7290, 7365, 8748, 8838, 9820, 10935, 13257, 14580, 14730, 17676, 21870, 22095, 26514, 29460, 39771, 43740, 44190, 53028, 66285, 79542, 88380, 119313, 132570, 159084, 198855, 238626, 265140, 357939, 397710, 477252, 596565, 715878, 795420, 1073817, 1193130, 1431756, 1789695, 2147634, 2386260, 3579390, 4295268, 5369085, 7158780, 10738170, 21476340]

約数ペア:

[(1, 21476340), (2, 10738170), (3, 7158780), (4, 5369085), (5, 4295268), (6, 3579390), (9, 2386260), (10, 2147634), (12, 1789695), (15, 1431756), (18, 1193130), (20, 1073817), (27, 795420), (30, 715878), (36, 596565), (45, 477252), (54, 397710), (60, 357939), (81, 265140), (90, 238626), (108, 198855), (135, 159084), (162, 132570), (180, 119313), (243, 88380), (270, 79542), (324, 66285), (405, 53028), (486, 44190), (491, 43740), (540, 39771), (729, 29460), (810, 26514), (972, 22095), (982, 21870), (1215, 17676), (1458, 14730), (1473, 14580), (1620, 13257), (1964, 10935), (2187, 9820), (2430, 8838), (2455, 8748), (2916, 7365), (2946, 7290), (3645, 5892), (4374, 4910), (4419, 4860)]