21227535

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{3209}}^1$

素因数の和:3237

約数の個数: 48

約数和(自身を含む): 43912800

約数和(自身を除く): 22685265

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 441, 735, 945, 1323, 2205, 3209, 6615, 9627, 16045, 22463, 28881, 48135, 67389, 86643, 112315, 144405, 157241, 202167, 336945, 433215, 471723, 606501, 786205, 1010835, 1415169, 2358615, 3032505, 4245507, 7075845, 21227535]

約数ペア:

[(1, 21227535), (3, 7075845), (5, 4245507), (7, 3032505), (9, 2358615), (15, 1415169), (21, 1010835), (27, 786205), (35, 606501), (45, 471723), (49, 433215), (63, 336945), (105, 202167), (135, 157241), (147, 144405), (189, 112315), (245, 86643), (315, 67389), (441, 48135), (735, 28881), (945, 22463), (1323, 16045), (2205, 9627), (3209, 6615)]