21286746

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{30323}}^1$

素因数の和:30347

約数の個数: 32

約数和(自身を含む): 50944320

約数和(自身を除く): 29657574

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 30323, 60646, 90969, 181938, 272907, 394199, 545814, 788398, 818721, 1182597, 1637442, 2365194, 3547791, 7095582, 10643373, 21286746]

約数ペア:

[(1, 21286746), (2, 10643373), (3, 7095582), (6, 3547791), (9, 2365194), (13, 1637442), (18, 1182597), (26, 818721), (27, 788398), (39, 545814), (54, 394199), (78, 272907), (117, 181938), (234, 90969), (351, 60646), (702, 30323)]