21569080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41479}}^1$

素因数の和:41503

約数の個数: 32

約数和(自身を含む): 52264800

約数和(自身を除く): 30695720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 41479, 82958, 165916, 207395, 331832, 414790, 539227, 829580, 1078454, 1659160, 2156908, 2696135, 4313816, 5392270, 10784540, 21569080]

約数ペア:

[(1, 21569080), (2, 10784540), (4, 5392270), (5, 4313816), (8, 2696135), (10, 2156908), (13, 1659160), (20, 1078454), (26, 829580), (40, 539227), (52, 414790), (65, 331832), (104, 207395), (130, 165916), (260, 82958), (520, 41479)]