21271584

素因数分解:

$2^5\times 3^1\times {\mathrm{43}}^1\times {\mathrm{5153}}^1$

素因数の和:5209

約数の個数: 48

約数和(自身を含む): 57147552

約数和(自身を除く): 35875968

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 86, 96, 129, 172, 258, 344, 516, 688, 1032, 1376, 2064, 4128, 5153, 10306, 15459, 20612, 30918, 41224, 61836, 82448, 123672, 164896, 221579, 247344, 443158, 494688, 664737, 886316, 1329474, 1772632, 2658948, 3545264, 5317896, 7090528, 10635792, 21271584]

約数ペア:

[(1, 21271584), (2, 10635792), (3, 7090528), (4, 5317896), (6, 3545264), (8, 2658948), (12, 1772632), (16, 1329474), (24, 886316), (32, 664737), (43, 494688), (48, 443158), (86, 247344), (96, 221579), (129, 164896), (172, 123672), (258, 82448), (344, 61836), (516, 41224), (688, 30918), (1032, 20612), (1376, 15459), (2064, 10306), (4128, 5153)]