21912311810

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{460633}}^1$

素因数の和:460778

約数の個数: 32

約数和(自身を含む): 40594753152

約数和(自身を除く): 18682441342

約数列:

[1, 2, 5, 10, 67, 71, 134, 142, 335, 355, 670, 710, 4757, 9514, 23785, 47570, 460633, 921266, 2303165, 4606330, 30862411, 32704943, 61724822, 65409886, 154312055, 163524715, 308624110, 327049430, 2191231181, 4382462362, 10956155905, 21912311810]

約数ペア:

[(1, 21912311810), (2, 10956155905), (5, 4382462362), (10, 2191231181), (67, 327049430), (71, 308624110), (134, 163524715), (142, 154312055), (335, 65409886), (355, 61724822), (670, 32704943), (710, 30862411), (4757, 4606330), (9514, 2303165), (23785, 921266), (47570, 460633)]