21941610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{233}}^1$

素因数の和:359

約数の個数: 64

約数和(自身を含む): 54857088

約数和(自身を除く): 32915478

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 73, 86, 129, 146, 215, 219, 233, 258, 365, 430, 438, 466, 645, 699, 730, 1095, 1165, 1290, 1398, 2190, 2330, 3139, 3495, 6278, 6990, 9417, 10019, 15695, 17009, 18834, 20038, 30057, 31390, 34018, 47085, 50095, 51027, 60114, 85045, 94170, 100190, 102054, 150285, 170090, 255135, 300570, 510270, 731387, 1462774, 2194161, 3656935, 4388322, 7313870, 10970805, 21941610]

約数ペア:

[(1, 21941610), (2, 10970805), (3, 7313870), (5, 4388322), (6, 3656935), (10, 2194161), (15, 1462774), (30, 731387), (43, 510270), (73, 300570), (86, 255135), (129, 170090), (146, 150285), (215, 102054), (219, 100190), (233, 94170), (258, 85045), (365, 60114), (430, 51027), (438, 50095), (466, 47085), (645, 34018), (699, 31390), (730, 30057), (1095, 20038), (1165, 18834), (1290, 17009), (1398, 15695), (2190, 10019), (2330, 9417), (3139, 6990), (3495, 6278)]