21520488

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{81517}}^1$

素因数の和:81537

約数の個数: 32

約数和(自身を含む): 58692960

約数和(自身を除く): 37172472

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 81517, 163034, 244551, 326068, 489102, 652136, 896687, 978204, 1793374, 1956408, 2690061, 3586748, 5380122, 7173496, 10760244, 21520488]

約数ペア:

[(1, 21520488), (2, 10760244), (3, 7173496), (4, 5380122), (6, 3586748), (8, 2690061), (11, 1956408), (12, 1793374), (22, 978204), (24, 896687), (33, 652136), (44, 489102), (66, 326068), (88, 244551), (132, 163034), (264, 81517)]