21685622

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{379}}^1$

素因数の和:516

約数の個数: 32

約数和(自身を含む): 38449920

約数和(自身を除く): 16764298

約数列:

[1, 2, 7, 14, 61, 67, 122, 134, 379, 427, 469, 758, 854, 938, 2653, 4087, 5306, 8174, 23119, 25393, 28609, 46238, 50786, 57218, 161833, 177751, 323666, 355502, 1548973, 3097946, 10842811, 21685622]

約数ペア:

[(1, 21685622), (2, 10842811), (7, 3097946), (14, 1548973), (61, 355502), (67, 323666), (122, 177751), (134, 161833), (379, 57218), (427, 50786), (469, 46238), (758, 28609), (854, 25393), (938, 23119), (2653, 8174), (4087, 5306)]