21000851940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{350014199}}^1$

素因数の和:350014211

約数の個数: 24

約数和(自身を含む): 58802385600

約数和(自身を除く): 37801533660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 350014199, 700028398, 1050042597, 1400056796, 1750070995, 2100085194, 3500141990, 4200170388, 5250212985, 7000283980, 10500425970, 21000851940]

約数ペア:

[(1, 21000851940), (2, 10500425970), (3, 7000283980), (4, 5250212985), (5, 4200170388), (6, 3500141990), (10, 2100085194), (12, 1750070995), (15, 1400056796), (20, 1050042597), (30, 700028398), (60, 350014199)]