21550995

素因数分解:

$3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2617}}^1$

素因数の和:2692

約数の個数: 32

約数和(自身を含む): 38955840

約数和(自身を除く): 17404845

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 135, 183, 305, 549, 915, 1647, 2617, 2745, 7851, 8235, 13085, 23553, 39255, 70659, 117765, 159637, 353295, 478911, 798185, 1436733, 2394555, 4310199, 7183665, 21550995]

約数ペア:

[(1, 21550995), (3, 7183665), (5, 4310199), (9, 2394555), (15, 1436733), (27, 798185), (45, 478911), (61, 353295), (135, 159637), (183, 117765), (305, 70659), (549, 39255), (915, 23553), (1647, 13085), (2617, 8235), (2745, 7851)]