21167308810

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{227581}}^1$

素因数の和:227790

約数の個数: 32

約数和(自身を含む): 38932907904

約数和(自身を除く): 17765599094

約数列:

[1, 2, 5, 10, 71, 131, 142, 262, 355, 655, 710, 1310, 9301, 18602, 46505, 93010, 227581, 455162, 1137905, 2275810, 16158251, 29813111, 32316502, 59626222, 80791255, 149065555, 161582510, 298131110, 2116730881, 4233461762, 10583654405, 21167308810]

約数ペア:

[(1, 21167308810), (2, 10583654405), (5, 4233461762), (10, 2116730881), (71, 298131110), (131, 161582510), (142, 149065555), (262, 80791255), (355, 59626222), (655, 32316502), (710, 29813111), (1310, 16158251), (9301, 2275810), (18602, 1137905), (46505, 455162), (93010, 227581)]