21441195

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 38649312

約数和(自身を除く): 17208117

約数列:

[1, 3, 5, 9, 15, 45, 61, 73, 107, 183, 219, 305, 321, 365, 535, 549, 657, 915, 963, 1095, 1605, 2745, 3285, 4453, 4815, 6527, 7811, 13359, 19581, 22265, 23433, 32635, 39055, 40077, 58743, 66795, 70299, 97905, 117165, 200385, 293715, 351495, 476471, 1429413, 2382355, 4288239, 7147065, 21441195]

約数ペア:

[(1, 21441195), (3, 7147065), (5, 4288239), (9, 2382355), (15, 1429413), (45, 476471), (61, 351495), (73, 293715), (107, 200385), (183, 117165), (219, 97905), (305, 70299), (321, 66795), (365, 58743), (535, 40077), (549, 39055), (657, 32635), (915, 23433), (963, 22265), (1095, 19581), (1605, 13359), (2745, 7811), (3285, 6527), (4453, 4815)]