21789066

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{683}}^1$

素因数の和:1110

約数の個数: 32

約数和(自身を含む): 47113920

約数和(自身を除く): 25324854

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 409, 683, 818, 1227, 1366, 2049, 2454, 4098, 5317, 8879, 10634, 15951, 17758, 26637, 31902, 53274, 279347, 558694, 838041, 1676082, 3631511, 7263022, 10894533, 21789066]

約数ペア:

[(1, 21789066), (2, 10894533), (3, 7263022), (6, 3631511), (13, 1676082), (26, 838041), (39, 558694), (78, 279347), (409, 53274), (683, 31902), (818, 26637), (1227, 17758), (1366, 15951), (2049, 10634), (2454, 8879), (4098, 5317)]