21149087470

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1283}}^1\times {\mathrm{33641}}^1$

素因数の和:34945

約数の個数: 48

約数和(自身を含む): 44319432528

約数和(自身を除く): 23170345058

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1283, 2566, 6415, 8981, 12830, 17962, 33641, 44905, 62867, 67282, 89810, 125734, 168205, 235487, 314335, 336410, 470974, 628670, 1177435, 1648409, 2354870, 3296818, 8242045, 16484090, 43161403, 86322806, 215807015, 302129821, 431614030, 604259642, 1510649105, 2114908747, 3021298210, 4229817494, 10574543735, 21149087470]

約数ペア:

[(1, 21149087470), (2, 10574543735), (5, 4229817494), (7, 3021298210), (10, 2114908747), (14, 1510649105), (35, 604259642), (49, 431614030), (70, 302129821), (98, 215807015), (245, 86322806), (490, 43161403), (1283, 16484090), (2566, 8242045), (6415, 3296818), (8981, 2354870), (12830, 1648409), (17962, 1177435), (33641, 628670), (44905, 470974), (62867, 336410), (67282, 314335), (89810, 235487), (125734, 168205)]