21255858

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{10093}}^1$

素因数の和:10120

約数の個数: 40

約数和(自身を含む): 51297708

約数和(自身を除く): 30041850

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 10093, 20186, 30279, 60558, 90837, 131209, 181674, 262418, 272511, 393627, 545022, 787254, 817533, 1180881, 1635066, 2361762, 3542643, 7085286, 10627929, 21255858]

約数ペア:

[(1, 21255858), (2, 10627929), (3, 7085286), (6, 3542643), (9, 2361762), (13, 1635066), (18, 1180881), (26, 817533), (27, 787254), (39, 545022), (54, 393627), (78, 272511), (81, 262418), (117, 181674), (162, 131209), (234, 90837), (351, 60558), (702, 30279), (1053, 20186), (2106, 10093)]