21247057008

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{3987811}}^1$

素因数の和:3987862

約数の個数: 60

約数和(自身を含む): 61069352968

約数和(自身を除く): 39822295960

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 48, 72, 74, 111, 144, 148, 222, 296, 333, 444, 592, 666, 888, 1332, 1776, 2664, 5328, 3987811, 7975622, 11963433, 15951244, 23926866, 31902488, 35890299, 47853732, 63804976, 71780598, 95707464, 143561196, 147549007, 191414928, 287122392, 295098014, 442647021, 574244784, 590196028, 885294042, 1180392056, 1327941063, 1770588084, 2360784112, 2655882126, 3541176168, 5311764252, 7082352336, 10623528504, 21247057008]

約数ペア:

[(1, 21247057008), (2, 10623528504), (3, 7082352336), (4, 5311764252), (6, 3541176168), (8, 2655882126), (9, 2360784112), (12, 1770588084), (16, 1327941063), (18, 1180392056), (24, 885294042), (36, 590196028), (37, 574244784), (48, 442647021), (72, 295098014), (74, 287122392), (111, 191414928), (144, 147549007), (148, 143561196), (222, 95707464), (296, 71780598), (333, 63804976), (444, 47853732), (592, 35890299), (666, 31902488), (888, 23926866), (1332, 15951244), (1776, 11963433), (2664, 7975622), (5328, 3987811)]