21063910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4933}}^1$

素因数の和:5008

約数の個数: 32

約数和(自身を含む): 44050752

約数和(自身を除く): 22986842

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 427, 610, 854, 2135, 4270, 4933, 9866, 24665, 34531, 49330, 69062, 172655, 300913, 345310, 601826, 1504565, 2106391, 3009130, 4212782, 10531955, 21063910]

約数ペア:

[(1, 21063910), (2, 10531955), (5, 4212782), (7, 3009130), (10, 2106391), (14, 1504565), (35, 601826), (61, 345310), (70, 300913), (122, 172655), (305, 69062), (427, 49330), (610, 34531), (854, 24665), (2135, 9866), (4270, 4933)]