21679998

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4943}}^1$

素因数の和:5008

約数の個数: 32

約数和(自身を含む): 46987776

約数和(自身を除く): 25307778

約数列:

[1, 2, 3, 6, 17, 34, 43, 51, 86, 102, 129, 258, 731, 1462, 2193, 4386, 4943, 9886, 14829, 29658, 84031, 168062, 212549, 252093, 425098, 504186, 637647, 1275294, 3613333, 7226666, 10839999, 21679998]

約数ペア:

[(1, 21679998), (2, 10839999), (3, 7226666), (6, 3613333), (17, 1275294), (34, 637647), (43, 504186), (51, 425098), (86, 252093), (102, 212549), (129, 168062), (258, 84031), (731, 29658), (1462, 14829), (2193, 9886), (4386, 4943)]