21386485082

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{241}}^1\times {\mathrm{39581}}^1$

素因数の和:39902

約数の個数: 32

約数和(自身を含む): 34483838400

約数和(自身を除く): 13097353318

約数列:

[1, 2, 19, 38, 59, 118, 241, 482, 1121, 2242, 4579, 9158, 14219, 28438, 39581, 79162, 270161, 540322, 752039, 1504078, 2335279, 4670558, 9539021, 19078042, 44370301, 88740602, 181241399, 362482798, 562802239, 1125604478, 10693242541, 21386485082]

約数ペア:

[(1, 21386485082), (2, 10693242541), (19, 1125604478), (38, 562802239), (59, 362482798), (118, 181241399), (241, 88740602), (482, 44370301), (1121, 19078042), (2242, 9539021), (4579, 4670558), (9158, 2335279), (14219, 1504078), (28438, 752039), (39581, 540322), (79162, 270161)]