21963786

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1459}}^1$

素因数の和:1670

約数の個数: 32

約数和(自身を含む): 47584320

約数和(自身を除く): 25620534

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 193, 386, 579, 1158, 1459, 2509, 2918, 4377, 5018, 7527, 8754, 15054, 18967, 37934, 56901, 113802, 281587, 563174, 844761, 1689522, 3660631, 7321262, 10981893, 21963786]

約数ペア:

[(1, 21963786), (2, 10981893), (3, 7321262), (6, 3660631), (13, 1689522), (26, 844761), (39, 563174), (78, 281587), (193, 113802), (386, 56901), (579, 37934), (1158, 18967), (1459, 15054), (2509, 8754), (2918, 7527), (4377, 5018)]