21842865

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4903}}^1$

素因数の和:4931

約数の個数: 40

約数和(自身を含む): 42723648

約数和(自身を除く): 20880783

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 297, 405, 495, 891, 1485, 4455, 4903, 14709, 24515, 44127, 53933, 73545, 132381, 161799, 220635, 269665, 397143, 485397, 661905, 808995, 1456191, 1985715, 2426985, 4368573, 7280955, 21842865]

約数ペア:

[(1, 21842865), (3, 7280955), (5, 4368573), (9, 2426985), (11, 1985715), (15, 1456191), (27, 808995), (33, 661905), (45, 485397), (55, 397143), (81, 269665), (99, 220635), (135, 161799), (165, 132381), (297, 73545), (405, 53933), (495, 44127), (891, 24515), (1485, 14709), (4455, 4903)]