21548410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5347}}^1$

素因数の和:5398

約数の個数: 32

約数和(自身を含む): 43126272

約数和(自身を除く): 21577862

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 5347, 10694, 26735, 53470, 69511, 139022, 165757, 331514, 347555, 695110, 828785, 1657570, 2154841, 4309682, 10774205, 21548410]

約数ペア:

[(1, 21548410), (2, 10774205), (5, 4309682), (10, 2154841), (13, 1657570), (26, 828785), (31, 695110), (62, 347555), (65, 331514), (130, 165757), (155, 139022), (310, 69511), (403, 53470), (806, 26735), (2015, 10694), (4030, 5347)]