21028308

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{4243}}^1$

素因数の和:4316

約数の個数: 48

約数和(自身を含む): 57039360

約数和(自身を除く): 36011052

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 59, 84, 118, 177, 236, 354, 413, 708, 826, 1239, 1652, 2478, 4243, 4956, 8486, 12729, 16972, 25458, 29701, 50916, 59402, 89103, 118804, 178206, 250337, 356412, 500674, 751011, 1001348, 1502022, 1752359, 3004044, 3504718, 5257077, 7009436, 10514154, 21028308]

約数ペア:

[(1, 21028308), (2, 10514154), (3, 7009436), (4, 5257077), (6, 3504718), (7, 3004044), (12, 1752359), (14, 1502022), (21, 1001348), (28, 751011), (42, 500674), (59, 356412), (84, 250337), (118, 178206), (177, 118804), (236, 89103), (354, 59402), (413, 50916), (708, 29701), (826, 25458), (1239, 16972), (1652, 12729), (2478, 8486), (4243, 4956)]