21900402

素因数分解:

$2^1\times 3^3\times {\mathrm{47}}^1\times {\mathrm{8629}}^1$

素因数の和:8687

約数の個数: 32

約数和(自身を含む): 49708800

約数和(自身を除く): 27808398

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 94, 141, 282, 423, 846, 1269, 2538, 8629, 17258, 25887, 51774, 77661, 155322, 232983, 405563, 465966, 811126, 1216689, 2433378, 3650067, 7300134, 10950201, 21900402]

約数ペア:

[(1, 21900402), (2, 10950201), (3, 7300134), (6, 3650067), (9, 2433378), (18, 1216689), (27, 811126), (47, 465966), (54, 405563), (94, 232983), (141, 155322), (282, 77661), (423, 51774), (846, 25887), (1269, 17258), (2538, 8629)]