21869595

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4909}}^1$

素因数の和:4937

約数の個数: 40

約数和(自身を含む): 42775920

約数和(自身を除く): 20906325

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 297, 405, 495, 891, 1485, 4455, 4909, 14727, 24545, 44181, 53999, 73635, 132543, 161997, 220905, 269995, 397629, 485991, 662715, 809985, 1457973, 1988145, 2429955, 4373919, 7289865, 21869595]

約数ペア:

[(1, 21869595), (3, 7289865), (5, 4373919), (9, 2429955), (11, 1988145), (15, 1457973), (27, 809985), (33, 662715), (45, 485991), (55, 397629), (81, 269995), (99, 220905), (135, 161997), (165, 132543), (297, 73635), (405, 53999), (495, 44181), (891, 24545), (1485, 14727), (4455, 4909)]