21270147351

素因数分解:

$3^1\times {\mathrm{887}}^1\times {\mathrm{1553}}^1\times {\mathrm{5147}}^1$

素因数の和:7590

約数の個数: 16

約数和(自身を含む): 28415971584

約数和(自身を除く): 7145824233

約数列:

[1, 3, 887, 1553, 2661, 4659, 5147, 15441, 1377511, 4132533, 4565389, 7993291, 13696167, 23979873, 7090049117, 21270147351]

約数ペア:

[(1, 21270147351), (3, 7090049117), (887, 23979873), (1553, 13696167), (2661, 7993291), (4659, 4565389), (5147, 4132533), (15441, 1377511)]