21493250

素因数分解:

$2^1\times 5^3\times {\mathrm{149}}^1\times {\mathrm{577}}^1$

素因数の和:743

約数の個数: 32

約数和(自身を含む): 40575600

約数和(自身を除く): 19082350

約数列:

[1, 2, 5, 10, 25, 50, 125, 149, 250, 298, 577, 745, 1154, 1490, 2885, 3725, 5770, 7450, 14425, 18625, 28850, 37250, 72125, 85973, 144250, 171946, 429865, 859730, 2149325, 4298650, 10746625, 21493250]

約数ペア:

[(1, 21493250), (2, 10746625), (5, 4298650), (10, 2149325), (25, 859730), (50, 429865), (125, 171946), (149, 144250), (250, 85973), (298, 72125), (577, 37250), (745, 28850), (1154, 18625), (1490, 14425), (2885, 7450), (3725, 5770)]