21081090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2593}}^1$

素因数の和:2874

約数の個数: 32

約数和(自身を含む): 50800896

約数和(自身を除く): 29719806

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 271, 542, 813, 1355, 1626, 2593, 2710, 4065, 5186, 7779, 8130, 12965, 15558, 25930, 38895, 77790, 702703, 1405406, 2108109, 3513515, 4216218, 7027030, 10540545, 21081090]

約数ペア:

[(1, 21081090), (2, 10540545), (3, 7027030), (5, 4216218), (6, 3513515), (10, 2108109), (15, 1405406), (30, 702703), (271, 77790), (542, 38895), (813, 25930), (1355, 15558), (1626, 12965), (2593, 8130), (2710, 7779), (4065, 5186)]