21493142

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{51419}}^1$

素因数の和:51451

約数の個数: 16

約数和(自身を含む): 37022400

約数和(自身を除く): 15529258

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 51419, 102838, 565609, 976961, 1131218, 1953922, 10746571, 21493142]

約数ペア:

[(1, 21493142), (2, 10746571), (11, 1953922), (19, 1131218), (22, 976961), (38, 565609), (209, 102838), (418, 51419)]