21885435

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:233

約数の個数: 96

約数和(自身を含む): 47174400

約数和(自身を除く): 25288965

約数列:

[1, 3, 5, 9, 11, 13, 15, 19, 33, 39, 45, 55, 57, 65, 95, 99, 117, 143, 165, 171, 179, 195, 209, 247, 285, 429, 495, 537, 585, 627, 715, 741, 855, 895, 1045, 1235, 1287, 1611, 1881, 1969, 2145, 2223, 2327, 2685, 2717, 3135, 3401, 3705, 5907, 6435, 6981, 8055, 8151, 9405, 9845, 10203, 11115, 11635, 13585, 17005, 17721, 20943, 24453, 25597, 29535, 30609, 34905, 37411, 40755, 44213, 51015, 76791, 88605, 104715, 112233, 122265, 127985, 132639, 153045, 187055, 221065, 230373, 336699, 383955, 397917, 486343, 561165, 663195, 1151865, 1459029, 1683495, 1989585, 2431715, 4377087, 7295145, 21885435]

約数ペア:

[(1, 21885435), (3, 7295145), (5, 4377087), (9, 2431715), (11, 1989585), (13, 1683495), (15, 1459029), (19, 1151865), (33, 663195), (39, 561165), (45, 486343), (55, 397917), (57, 383955), (65, 336699), (95, 230373), (99, 221065), (117, 187055), (143, 153045), (165, 132639), (171, 127985), (179, 122265), (195, 112233), (209, 104715), (247, 88605), (285, 76791), (429, 51015), (495, 44213), (537, 40755), (585, 37411), (627, 34905), (715, 30609), (741, 29535), (855, 25597), (895, 24453), (1045, 20943), (1235, 17721), (1287, 17005), (1611, 13585), (1881, 11635), (1969, 11115), (2145, 10203), (2223, 9845), (2327, 9405), (2685, 8151), (2717, 8055), (3135, 6981), (3401, 6435), (3705, 5907)]