21999708

素因数分解:

$2^2\times 3^3\times {\mathrm{31}}^1\times {\mathrm{6571}}^1$

素因数の和:6615

約数の個数: 48

約数和(自身を含む): 58885120

約数和(自身を除く): 36885412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 93, 108, 124, 186, 279, 372, 558, 837, 1116, 1674, 3348, 6571, 13142, 19713, 26284, 39426, 59139, 78852, 118278, 177417, 203701, 236556, 354834, 407402, 611103, 709668, 814804, 1222206, 1833309, 2444412, 3666618, 5499927, 7333236, 10999854, 21999708]

約数ペア:

[(1, 21999708), (2, 10999854), (3, 7333236), (4, 5499927), (6, 3666618), (9, 2444412), (12, 1833309), (18, 1222206), (27, 814804), (31, 709668), (36, 611103), (54, 407402), (62, 354834), (93, 236556), (108, 203701), (124, 177417), (186, 118278), (279, 78852), (372, 59139), (558, 39426), (837, 26284), (1116, 19713), (1674, 13142), (3348, 6571)]