21466680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{178889}}^1$

素因数の和:178903

約数の個数: 32

約数和(自身を含む): 64400400

約数和(自身を除く): 42933720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 178889, 357778, 536667, 715556, 894445, 1073334, 1431112, 1788890, 2146668, 2683335, 3577780, 4293336, 5366670, 7155560, 10733340, 21466680]

約数ペア:

[(1, 21466680), (2, 10733340), (3, 7155560), (4, 5366670), (5, 4293336), (6, 3577780), (8, 2683335), (10, 2146668), (12, 1788890), (15, 1431112), (20, 1073334), (24, 894445), (30, 715556), (40, 536667), (60, 357778), (120, 178889)]