21490600370

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{473257}}^1$

素因数の和:473522

約数の個数: 32

約数和(自身を含む): 40889491200

約数和(自身を除く): 19398890830

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 239, 478, 1195, 2390, 4541, 9082, 22705, 45410, 473257, 946514, 2366285, 4732570, 8991883, 17983766, 44959415, 89918830, 113108423, 226216846, 565542115, 1131084230, 2149060037, 4298120074, 10745300185, 21490600370]

約数ペア:

[(1, 21490600370), (2, 10745300185), (5, 4298120074), (10, 2149060037), (19, 1131084230), (38, 565542115), (95, 226216846), (190, 113108423), (239, 89918830), (478, 44959415), (1195, 17983766), (2390, 8991883), (4541, 4732570), (9082, 2366285), (22705, 946514), (45410, 473257)]