21252244

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{829}}^1$

素因数の和:892

約数の個数: 48

約数和(自身を含む): 43923600

約数和(自身を除く): 22671356

約数列:

[1, 2, 4, 13, 17, 26, 29, 34, 52, 58, 68, 116, 221, 377, 442, 493, 754, 829, 884, 986, 1508, 1658, 1972, 3316, 6409, 10777, 12818, 14093, 21554, 24041, 25636, 28186, 43108, 48082, 56372, 96164, 183209, 312533, 366418, 408697, 625066, 732836, 817394, 1250132, 1634788, 5313061, 10626122, 21252244]

約数ペア:

[(1, 21252244), (2, 10626122), (4, 5313061), (13, 1634788), (17, 1250132), (26, 817394), (29, 732836), (34, 625066), (52, 408697), (58, 366418), (68, 312533), (116, 183209), (221, 96164), (377, 56372), (442, 48082), (493, 43108), (754, 28186), (829, 25636), (884, 24041), (986, 21554), (1508, 14093), (1658, 12818), (1972, 10777), (3316, 6409)]