21860316

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{20939}}^1$

素因数の和:20978

約数の個数: 36

約数和(自身を含む): 57166200

約数和(自身を除く): 35305884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 20939, 41878, 62817, 83756, 125634, 188451, 251268, 376902, 607231, 753804, 1214462, 1821693, 2428924, 3643386, 5465079, 7286772, 10930158, 21860316]

約数ペア:

[(1, 21860316), (2, 10930158), (3, 7286772), (4, 5465079), (6, 3643386), (9, 2428924), (12, 1821693), (18, 1214462), (29, 753804), (36, 607231), (58, 376902), (87, 251268), (116, 188451), (174, 125634), (261, 83756), (348, 62817), (522, 41878), (1044, 20939)]