21469695

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4787}}^1$

素因数の和:4831

約数の個数: 32

約数和(自身を含む): 38610432

約数和(自身を除く): 17140737

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4485, 4787, 14361, 23935, 62231, 71805, 110101, 186693, 311155, 330303, 550505, 933465, 1431313, 1651515, 4293939, 7156565, 21469695]

約数ペア:

[(1, 21469695), (3, 7156565), (5, 4293939), (13, 1651515), (15, 1431313), (23, 933465), (39, 550505), (65, 330303), (69, 311155), (115, 186693), (195, 110101), (299, 71805), (345, 62231), (897, 23935), (1495, 14361), (4485, 4787)]