21116746

素因数分解:

$2^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{1427}}^1$

素因数の和:1594

約数の個数: 24

約数和(自身を含む): 37116576

約数和(自身を除く): 15999830

約数列:

[1, 2, 7, 14, 49, 98, 151, 302, 1057, 1427, 2114, 2854, 7399, 9989, 14798, 19978, 69923, 139846, 215477, 430954, 1508339, 3016678, 10558373, 21116746]

約数ペア:

[(1, 21116746), (2, 10558373), (7, 3016678), (14, 1508339), (49, 430954), (98, 215477), (151, 139846), (302, 69923), (1057, 19978), (1427, 14798), (2114, 9989), (2854, 7399)]