21822730

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{937}}^1$

素因数の和:1098

約数の個数: 32

約数和(自身を含む): 41939856

約数和(自身を除く): 20117126

約数列:

[1, 2, 5, 10, 17, 34, 85, 137, 170, 274, 685, 937, 1370, 1874, 2329, 4658, 4685, 9370, 11645, 15929, 23290, 31858, 79645, 128369, 159290, 256738, 641845, 1283690, 2182273, 4364546, 10911365, 21822730]

約数ペア:

[(1, 21822730), (2, 10911365), (5, 4364546), (10, 2182273), (17, 1283690), (34, 641845), (85, 256738), (137, 159290), (170, 128369), (274, 79645), (685, 31858), (937, 23290), (1370, 15929), (1874, 11645), (2329, 9370), (4658, 4685)]