21431538

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{51767}}^1$

素因数の和:51798

約数の個数: 24

約数和(自身を含む): 48454848

約数和(自身を除く): 27023310

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 51767, 103534, 155301, 310602, 465903, 931806, 1190641, 2381282, 3571923, 7143846, 10715769, 21431538]

約数ペア:

[(1, 21431538), (2, 10715769), (3, 7143846), (6, 3571923), (9, 2381282), (18, 1190641), (23, 931806), (46, 465903), (69, 310602), (138, 155301), (207, 103534), (414, 51767)]