21529098

素因数分解:

$2^1\times 3^3\times {\mathrm{421}}^1\times {\mathrm{947}}^1$

素因数の和:1379

約数の個数: 32

約数和(自身を含む): 48006720

約数和(自身を除く): 26477622

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 421, 842, 947, 1263, 1894, 2526, 2841, 3789, 5682, 7578, 8523, 11367, 17046, 22734, 25569, 51138, 398687, 797374, 1196061, 2392122, 3588183, 7176366, 10764549, 21529098]

約数ペア:

[(1, 21529098), (2, 10764549), (3, 7176366), (6, 3588183), (9, 2392122), (18, 1196061), (27, 797374), (54, 398687), (421, 51138), (842, 25569), (947, 22734), (1263, 17046), (1894, 11367), (2526, 8523), (2841, 7578), (3789, 5682)]