21676470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13633}}^1$

素因数の和:13696

約数の個数: 32

約数和(自身を含む): 53008992

約数和(自身を除く): 31332522

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795, 1590, 13633, 27266, 40899, 68165, 81798, 136330, 204495, 408990, 722549, 1445098, 2167647, 3612745, 4335294, 7225490, 10838235, 21676470]

約数ペア:

[(1, 21676470), (2, 10838235), (3, 7225490), (5, 4335294), (6, 3612745), (10, 2167647), (15, 1445098), (30, 722549), (53, 408990), (106, 204495), (159, 136330), (265, 81798), (318, 68165), (530, 40899), (795, 27266), (1590, 13633)]