21265259519

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{8353}}^1\times {\mathrm{12541}}^1$

素因数の和:20930

約数の個数: 16

約数和(自身を含む): 25146208320

約数和(自身を除く): 3880948801

約数列:

[1, 7, 29, 203, 8353, 12541, 58471, 87787, 242237, 363689, 1695659, 2545823, 104754973, 733284811, 3037894217, 21265259519]

約数ペア:

[(1, 21265259519), (7, 3037894217), (29, 733284811), (203, 104754973), (8353, 2545823), (12541, 1695659), (58471, 363689), (87787, 242237)]