21662904

素因数分解:

$2^3\times 3^1\times {\mathrm{353}}^1\times {\mathrm{2557}}^1$

素因数の和:2919

約数の個数: 32

約数和(自身を含む): 54331920

約数和(自身を除く): 32669016

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 353, 706, 1059, 1412, 2118, 2557, 2824, 4236, 5114, 7671, 8472, 10228, 15342, 20456, 30684, 61368, 902621, 1805242, 2707863, 3610484, 5415726, 7220968, 10831452, 21662904]

約数ペア:

[(1, 21662904), (2, 10831452), (3, 7220968), (4, 5415726), (6, 3610484), (8, 2707863), (12, 1805242), (24, 902621), (353, 61368), (706, 30684), (1059, 20456), (1412, 15342), (2118, 10228), (2557, 8472), (2824, 7671), (4236, 5114)]