21030684

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{271}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 51179520

約数和(自身を除く): 30148836

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 174, 223, 271, 348, 446, 542, 669, 813, 892, 1084, 1338, 1626, 2676, 3252, 6467, 7859, 12934, 15718, 19401, 23577, 25868, 31436, 38802, 47154, 60433, 77604, 94308, 120866, 181299, 241732, 362598, 725196, 1752557, 3505114, 5257671, 7010228, 10515342, 21030684]

約数ペア:

[(1, 21030684), (2, 10515342), (3, 7010228), (4, 5257671), (6, 3505114), (12, 1752557), (29, 725196), (58, 362598), (87, 241732), (116, 181299), (174, 120866), (223, 94308), (271, 77604), (348, 60433), (446, 47154), (542, 38802), (669, 31436), (813, 25868), (892, 23577), (1084, 19401), (1338, 15718), (1626, 12934), (2676, 7859), (3252, 6467)]