221321939

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1\times {\mathrm{853}}^1$

素因数の和:1294

約数の個数: 16

約数和(自身を含む): 239803200

約数和(自身を除く): 18481261

約数列:

[1, 23, 29, 389, 667, 853, 8947, 11281, 19619, 24737, 259463, 331817, 568951, 7631791, 9622693, 221321939]

約数ペア:

[(1, 221321939), (23, 9622693), (29, 7631791), (389, 568951), (667, 331817), (853, 259463), (8947, 24737), (11281, 19619)]