21053655

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{22279}}^1$

素因数の和:22300

約数の個数: 32

約数和(自身を含む): 42777600

約数和(自身を除く): 21723945

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 22279, 66837, 111395, 155953, 200511, 334185, 467859, 601533, 779765, 1002555, 1403577, 2339295, 3007665, 4210731, 7017885, 21053655]

約数ペア:

[(1, 21053655), (3, 7017885), (5, 4210731), (7, 3007665), (9, 2339295), (15, 1403577), (21, 1002555), (27, 779765), (35, 601533), (45, 467859), (63, 334185), (105, 200511), (135, 155953), (189, 111395), (315, 66837), (945, 22279)]