21529980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{119611}}^1$

素因数の和:119626

約数の個数: 36

約数和(自身を含む): 65308152

約数和(自身を除く): 43778172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 119611, 239222, 358833, 478444, 598055, 717666, 1076499, 1196110, 1435332, 1794165, 2152998, 2392220, 3588330, 4305996, 5382495, 7176660, 10764990, 21529980]

約数ペア:

[(1, 21529980), (2, 10764990), (3, 7176660), (4, 5382495), (5, 4305996), (6, 3588330), (9, 2392220), (10, 2152998), (12, 1794165), (15, 1435332), (18, 1196110), (20, 1076499), (30, 717666), (36, 598055), (45, 478444), (60, 358833), (90, 239222), (180, 119611)]