21897226

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:310

約数の個数: 32

約数和(自身を含む): 36550080

約数和(自身を除く): 14652854

約数列:

[1, 2, 13, 26, 73, 83, 139, 146, 166, 278, 949, 1079, 1807, 1898, 2158, 3614, 6059, 10147, 11537, 12118, 20294, 23074, 78767, 131911, 149981, 157534, 263822, 299962, 842201, 1684402, 10948613, 21897226]

約数ペア:

[(1, 21897226), (2, 10948613), (13, 1684402), (26, 842201), (73, 299962), (83, 263822), (139, 157534), (146, 149981), (166, 131911), (278, 78767), (949, 23074), (1079, 20294), (1807, 12118), (1898, 11537), (2158, 10147), (3614, 6059)]