21850335

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{911}}^1$

素因数の和:976

約数の個数: 48

約数和(自身を含む): 41827968

約数和(自身を除く): 19977633

約数列:

[1, 3, 5, 9, 13, 15, 39, 41, 45, 65, 117, 123, 195, 205, 369, 533, 585, 615, 911, 1599, 1845, 2665, 2733, 4555, 4797, 7995, 8199, 11843, 13665, 23985, 35529, 37351, 40995, 59215, 106587, 112053, 177645, 186755, 336159, 485563, 532935, 560265, 1456689, 1680795, 2427815, 4370067, 7283445, 21850335]

約数ペア:

[(1, 21850335), (3, 7283445), (5, 4370067), (9, 2427815), (13, 1680795), (15, 1456689), (39, 560265), (41, 532935), (45, 485563), (65, 336159), (117, 186755), (123, 177645), (195, 112053), (205, 106587), (369, 59215), (533, 40995), (585, 37351), (615, 35529), (911, 23985), (1599, 13665), (1845, 11843), (2665, 8199), (2733, 7995), (4555, 4797)]