21654816

素因数分解:

$2^5\times 3^1\times {\mathrm{191}}^1\times {\mathrm{1181}}^1$

素因数の和:1385

約数の個数: 48

約数和(自身を含む): 57189888

約数和(自身を除く): 35535072

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 191, 382, 573, 764, 1146, 1181, 1528, 2292, 2362, 3056, 3543, 4584, 4724, 6112, 7086, 9168, 9448, 14172, 18336, 18896, 28344, 37792, 56688, 113376, 225571, 451142, 676713, 902284, 1353426, 1804568, 2706852, 3609136, 5413704, 7218272, 10827408, 21654816]

約数ペア:

[(1, 21654816), (2, 10827408), (3, 7218272), (4, 5413704), (6, 3609136), (8, 2706852), (12, 1804568), (16, 1353426), (24, 902284), (32, 676713), (48, 451142), (96, 225571), (191, 113376), (382, 56688), (573, 37792), (764, 28344), (1146, 18896), (1181, 18336), (1528, 14172), (2292, 9448), (2362, 9168), (3056, 7086), (3543, 6112), (4584, 4724)]