21346568

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{431}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 20021752

約数列:

[1, 2, 4, 8, 41, 82, 151, 164, 302, 328, 431, 604, 862, 1208, 1724, 3448, 6191, 12382, 17671, 24764, 35342, 49528, 65081, 70684, 130162, 141368, 260324, 520648, 2668321, 5336642, 10673284, 21346568]

約数ペア:

[(1, 21346568), (2, 10673284), (4, 5336642), (8, 2668321), (41, 520648), (82, 260324), (151, 141368), (164, 130162), (302, 70684), (328, 65081), (431, 49528), (604, 35342), (862, 24764), (1208, 17671), (1724, 12382), (3448, 6191)]