21481946

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{823}}^1$

素因数の和:1277

約数の個数: 16

約数和(自身を含む): 33381888

約数和(自身を除く): 11899942

約数列:

[1, 2, 31, 62, 421, 823, 842, 1646, 13051, 25513, 26102, 51026, 346483, 692966, 10740973, 21481946]

約数ペア:

[(1, 21481946), (2, 10740973), (31, 692966), (62, 346483), (421, 51026), (823, 26102), (842, 25513), (1646, 13051)]