221729718

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{5279279}}^1$

素因数の和:5279291

約数の個数: 16

約数和(自身を含む): 506810880

約数和(自身を除く): 285081162

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 5279279, 10558558, 15837837, 31675674, 36954953, 73909906, 110864859, 221729718]

約数ペア:

[(1, 221729718), (2, 110864859), (3, 73909906), (6, 36954953), (7, 31675674), (14, 15837837), (21, 10558558), (42, 5279279)]