21373236

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{13807}}^1$

素因数の和:13860

約数の個数: 36

約数和(自身を含む): 55287232

約数和(自身を除く): 33913996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 13807, 27614, 41421, 55228, 82842, 124263, 165684, 248526, 497052, 593701, 1187402, 1781103, 2374804, 3562206, 5343309, 7124412, 10686618, 21373236]

約数ペア:

[(1, 21373236), (2, 10686618), (3, 7124412), (4, 5343309), (6, 3562206), (9, 2374804), (12, 1781103), (18, 1187402), (36, 593701), (43, 497052), (86, 248526), (129, 165684), (172, 124263), (258, 82842), (387, 55228), (516, 41421), (774, 27614), (1548, 13807)]