21626184853

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{491}}^1\times {\mathrm{1123}}^1$

素因数の和:2065

約数の個数: 32

約数和(自身を含む): 26756739072

約数和(自身を除く): 5130554219

約数列:

[1, 7, 13, 91, 431, 491, 1123, 3017, 3437, 5603, 6383, 7861, 14599, 39221, 44681, 102193, 211621, 484013, 551393, 1481347, 2751073, 3388091, 3859751, 6292169, 7168109, 19257511, 44045183, 50176763, 237650383, 1663552681, 3089454979, 21626184853]

約数ペア:

[(1, 21626184853), (7, 3089454979), (13, 1663552681), (91, 237650383), (431, 50176763), (491, 44045183), (1123, 19257511), (3017, 7168109), (3437, 6292169), (5603, 3859751), (6383, 3388091), (7861, 2751073), (14599, 1481347), (39221, 551393), (44681, 484013), (102193, 211621)]