21821987530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{995983}}^1$

素因数の和:996310

約数の個数: 32

約数和(自身を含む): 45034412544

約数和(自身を除く): 23212425014

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 313, 626, 1565, 2191, 3130, 4382, 10955, 21910, 995983, 1991966, 4979915, 6971881, 9959830, 13943762, 34859405, 69718810, 311742679, 623485358, 1558713395, 2182198753, 3117426790, 4364397506, 10910993765, 21821987530]

約数ペア:

[(1, 21821987530), (2, 10910993765), (5, 4364397506), (7, 3117426790), (10, 2182198753), (14, 1558713395), (35, 623485358), (70, 311742679), (313, 69718810), (626, 34859405), (1565, 13943762), (2191, 9959830), (3130, 6971881), (4382, 4979915), (10955, 1991966), (21910, 995983)]