21971586

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{40241}}^1$

素因数の和:40266

約数の個数: 32

約数和(自身を含む): 54085248

約数和(自身を除く): 32113662

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 40241, 80482, 120723, 241446, 281687, 523133, 563374, 845061, 1046266, 1569399, 1690122, 3138798, 3661931, 7323862, 10985793, 21971586]

約数ペア:

[(1, 21971586), (2, 10985793), (3, 7323862), (6, 3661931), (7, 3138798), (13, 1690122), (14, 1569399), (21, 1046266), (26, 845061), (39, 563374), (42, 523133), (78, 281687), (91, 241446), (182, 120723), (273, 80482), (546, 40241)]