21946820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{2657}}^1$

素因数の和:2732

約数の個数: 48

約数和(自身を含む): 53585280

約数和(自身を除く): 31638460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 295, 413, 590, 826, 1180, 1652, 2065, 2657, 4130, 5314, 8260, 10628, 13285, 18599, 26570, 37198, 53140, 74396, 92995, 156763, 185990, 313526, 371980, 627052, 783815, 1097341, 1567630, 2194682, 3135260, 4389364, 5486705, 10973410, 21946820]

約数ペア:

[(1, 21946820), (2, 10973410), (4, 5486705), (5, 4389364), (7, 3135260), (10, 2194682), (14, 1567630), (20, 1097341), (28, 783815), (35, 627052), (59, 371980), (70, 313526), (118, 185990), (140, 156763), (236, 92995), (295, 74396), (413, 53140), (590, 37198), (826, 26570), (1180, 18599), (1652, 13285), (2065, 10628), (2657, 8260), (4130, 5314)]