21541185

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3049}}^1$

素因数の和:3217

約数の個数: 24

約数和(自身を含む): 37588200

約数和(自身を除く): 16047015

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 785, 1413, 2355, 3049, 7065, 9147, 15245, 27441, 45735, 137205, 478693, 1436079, 2393465, 4308237, 7180395, 21541185]

約数ペア:

[(1, 21541185), (3, 7180395), (5, 4308237), (9, 2393465), (15, 1436079), (45, 478693), (157, 137205), (471, 45735), (785, 27441), (1413, 15245), (2355, 9147), (3049, 7065)]