21206412

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{34651}}^1$

素因数の和:34678

約数の個数: 36

約数和(自身を含む): 56759976

約数和(自身を除く): 35553564

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 612, 34651, 69302, 103953, 138604, 207906, 311859, 415812, 589067, 623718, 1178134, 1247436, 1767201, 2356268, 3534402, 5301603, 7068804, 10603206, 21206412]

約数ペア:

[(1, 21206412), (2, 10603206), (3, 7068804), (4, 5301603), (6, 3534402), (9, 2356268), (12, 1767201), (17, 1247436), (18, 1178134), (34, 623718), (36, 589067), (51, 415812), (68, 311859), (102, 207906), (153, 138604), (204, 103953), (306, 69302), (612, 34651)]