21978024

素因数分解:

$2^3\times 3^1\times {\mathrm{409}}^1\times {\mathrm{2239}}^1$

素因数の和:2657

約数の個数: 32

約数和(自身を含む): 55104000

約数和(自身を除く): 33125976

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 409, 818, 1227, 1636, 2239, 2454, 3272, 4478, 4908, 6717, 8956, 9816, 13434, 17912, 26868, 53736, 915751, 1831502, 2747253, 3663004, 5494506, 7326008, 10989012, 21978024]

約数ペア:

[(1, 21978024), (2, 10989012), (3, 7326008), (4, 5494506), (6, 3663004), (8, 2747253), (12, 1831502), (24, 915751), (409, 53736), (818, 26868), (1227, 17912), (1636, 13434), (2239, 9816), (2454, 8956), (3272, 6717), (4478, 4908)]