21493974

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1583}}^1$

素因数の和:1692

約数の個数: 32

約数和(自身を含む): 45010944

約数和(自身を除く): 23516970

約数列:

[1, 2, 3, 6, 31, 62, 73, 93, 146, 186, 219, 438, 1583, 2263, 3166, 4526, 4749, 6789, 9498, 13578, 49073, 98146, 115559, 147219, 231118, 294438, 346677, 693354, 3582329, 7164658, 10746987, 21493974]

約数ペア:

[(1, 21493974), (2, 10746987), (3, 7164658), (6, 3582329), (31, 693354), (62, 346677), (73, 294438), (93, 231118), (146, 147219), (186, 115559), (219, 98146), (438, 49073), (1583, 13578), (2263, 9498), (3166, 6789), (4526, 4749)]