21086756679

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{4241}}^1\times {\mathrm{16091}}^1$

素因数の和:20438

約数の個数: 16

約数和(自身を含む): 28397101824

約数和(自身を除く): 7310345145

約数列:

[1, 3, 103, 309, 4241, 12723, 16091, 48273, 436823, 1310469, 1657373, 4972119, 68241931, 204725793, 7028918893, 21086756679]

約数ペア:

[(1, 21086756679), (3, 7028918893), (103, 204725793), (309, 68241931), (4241, 4972119), (12723, 1657373), (16091, 1310469), (48273, 436823)]