21768640

素因数分解:

$2^6\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1153}}^1$

素因数の和:1229

約数の個数: 56

約数和(自身を含む): 52760880

約数和(自身を除く): 30992240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 160, 236, 295, 320, 472, 590, 944, 1153, 1180, 1888, 2306, 2360, 3776, 4612, 4720, 5765, 9224, 9440, 11530, 18448, 18880, 23060, 36896, 46120, 68027, 73792, 92240, 136054, 184480, 272108, 340135, 368960, 544216, 680270, 1088432, 1360540, 2176864, 2721080, 4353728, 5442160, 10884320, 21768640]

約数ペア:

[(1, 21768640), (2, 10884320), (4, 5442160), (5, 4353728), (8, 2721080), (10, 2176864), (16, 1360540), (20, 1088432), (32, 680270), (40, 544216), (59, 368960), (64, 340135), (80, 272108), (118, 184480), (160, 136054), (236, 92240), (295, 73792), (320, 68027), (472, 46120), (590, 36896), (944, 23060), (1153, 18880), (1180, 18448), (1888, 11530), (2306, 9440), (2360, 9224), (3776, 5765), (4612, 4720)]