21592280

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6833}}^1$

素因数の和:6923

約数の個数: 32

約数和(自身を含む): 49204800

約数和(自身を除く): 27612520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 6833, 13666, 27332, 34165, 54664, 68330, 136660, 273320, 539807, 1079614, 2159228, 2699035, 4318456, 5398070, 10796140, 21592280]

約数ペア:

[(1, 21592280), (2, 10796140), (4, 5398070), (5, 4318456), (8, 2699035), (10, 2159228), (20, 1079614), (40, 539807), (79, 273320), (158, 136660), (316, 68330), (395, 54664), (632, 34165), (790, 27332), (1580, 13666), (3160, 6833)]