21139700

素因数分解:

$2^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{3583}}^1$

素因数の和:3656

約数の個数: 36

約数和(自身を含む): 46663680

約数和(自身を除く): 25523980

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 59, 100, 118, 236, 295, 590, 1180, 1475, 2950, 3583, 5900, 7166, 14332, 17915, 35830, 71660, 89575, 179150, 211397, 358300, 422794, 845588, 1056985, 2113970, 4227940, 5284925, 10569850, 21139700]

約数ペア:

[(1, 21139700), (2, 10569850), (4, 5284925), (5, 4227940), (10, 2113970), (20, 1056985), (25, 845588), (50, 422794), (59, 358300), (100, 211397), (118, 179150), (236, 89575), (295, 71660), (590, 35830), (1180, 17915), (1475, 14332), (2950, 7166), (3583, 5900)]