21167177265

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1573183}}^1$

素因数の和:1573230

約数の個数: 48

約数和(自身を含む): 41230006272

約数和(自身を除く): 20062829007

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 115, 117, 195, 207, 299, 345, 585, 897, 1035, 1495, 2691, 4485, 13455, 1573183, 4719549, 7865915, 14158647, 20451379, 23597745, 36183209, 61354137, 70793235, 102256895, 108549627, 180916045, 184062411, 306770685, 325648881, 470381717, 542748135, 920312055, 1411145151, 1628244405, 2351908585, 4233435453, 7055725755, 21167177265]

約数ペア:

[(1, 21167177265), (3, 7055725755), (5, 4233435453), (9, 2351908585), (13, 1628244405), (15, 1411145151), (23, 920312055), (39, 542748135), (45, 470381717), (65, 325648881), (69, 306770685), (115, 184062411), (117, 180916045), (195, 108549627), (207, 102256895), (299, 70793235), (345, 61354137), (585, 36183209), (897, 23597745), (1035, 20451379), (1495, 14158647), (2691, 7865915), (4485, 4719549), (13455, 1573183)]