21958880

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1933}}^1$

素因数の和:2019

約数の個数: 48

約数和(自身を含む): 52635744

約数和(自身を除く): 30676864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 1933, 2272, 2840, 3866, 5680, 7732, 9665, 11360, 15464, 19330, 30928, 38660, 61856, 77320, 137243, 154640, 274486, 309280, 548972, 686215, 1097944, 1372430, 2195888, 2744860, 4391776, 5489720, 10979440, 21958880]

約数ペア:

[(1, 21958880), (2, 10979440), (4, 5489720), (5, 4391776), (8, 2744860), (10, 2195888), (16, 1372430), (20, 1097944), (32, 686215), (40, 548972), (71, 309280), (80, 274486), (142, 154640), (160, 137243), (284, 77320), (355, 61856), (568, 38660), (710, 30928), (1136, 19330), (1420, 15464), (1933, 11360), (2272, 9665), (2840, 7732), (3866, 5680)]