2021360005

素因数分解:

$5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{929}}^1$

素因数の和:1138

約数の個数: 48

約数和(自身を含む): 2885440320

約数和(自身を除く): 864080315

約数列:

[1, 5, 7, 35, 49, 83, 107, 245, 415, 535, 581, 749, 929, 2905, 3745, 4067, 4645, 5243, 6503, 8881, 20335, 26215, 32515, 44405, 45521, 62167, 77107, 99403, 227605, 310835, 385535, 435169, 497015, 539749, 695821, 2175845, 2698745, 3479105, 3778243, 4870747, 8250449, 18891215, 24353735, 41252245, 57753143, 288765715, 404272001, 2021360005]

約数ペア:

[(1, 2021360005), (5, 404272001), (7, 288765715), (35, 57753143), (49, 41252245), (83, 24353735), (107, 18891215), (245, 8250449), (415, 4870747), (535, 3778243), (581, 3479105), (749, 2698745), (929, 2175845), (2905, 695821), (3745, 539749), (4067, 497015), (4645, 435169), (5243, 385535), (6503, 310835), (8881, 227605), (20335, 99403), (26215, 77107), (32515, 62167), (44405, 45521)]