21963459

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1229}}^1$

素因数の和:1299

約数の個数: 32

約数和(自身を含む): 35896320

約数和(自身を除く): 13932861

約数列:

[1, 3, 7, 21, 23, 37, 69, 111, 161, 259, 483, 777, 851, 1229, 2553, 3687, 5957, 8603, 17871, 25809, 28267, 45473, 84801, 136419, 197869, 318311, 593607, 954933, 1045879, 3137637, 7321153, 21963459]

約数ペア:

[(1, 21963459), (3, 7321153), (7, 3137637), (21, 1045879), (23, 954933), (37, 593607), (69, 318311), (111, 197869), (161, 136419), (259, 84801), (483, 45473), (777, 28267), (851, 25809), (1229, 17871), (2553, 8603), (3687, 5957)]