21789124

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5851}}^1$

素因数の和:5888

約数の個数: 36

約数和(自身を含む): 46698960

約数和(自身を除く): 24909836

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 5851, 11702, 23404, 40957, 81914, 111169, 163828, 222338, 286699, 444676, 573398, 778183, 1146796, 1556366, 3112732, 5447281, 10894562, 21789124]

約数ペア:

[(1, 21789124), (2, 10894562), (4, 5447281), (7, 3112732), (14, 1556366), (19, 1146796), (28, 778183), (38, 573398), (49, 444676), (76, 286699), (98, 222338), (133, 163828), (196, 111169), (266, 81914), (532, 40957), (931, 23404), (1862, 11702), (3724, 5851)]