21446685

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{601}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 40757808

約数和(自身を除く): 19311123

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 61, 65, 117, 183, 195, 305, 549, 585, 601, 793, 915, 1803, 2379, 2745, 3005, 3965, 5409, 7137, 7813, 9015, 11895, 23439, 27045, 35685, 36661, 39065, 70317, 109983, 117195, 183305, 329949, 351585, 476593, 549915, 1429779, 1649745, 2382965, 4289337, 7148895, 21446685]

約数ペア:

[(1, 21446685), (3, 7148895), (5, 4289337), (9, 2382965), (13, 1649745), (15, 1429779), (39, 549915), (45, 476593), (61, 351585), (65, 329949), (117, 183305), (183, 117195), (195, 109983), (305, 70317), (549, 39065), (585, 36661), (601, 35685), (793, 27045), (915, 23439), (1803, 11895), (2379, 9015), (2745, 7813), (3005, 7137), (3965, 5409)]