21421566

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{25321}}^1$

素因数の和:25376

約数の個数: 24

約数和(自身を含む): 47402784

約数和(自身を除く): 25981218

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 141, 282, 423, 846, 25321, 50642, 75963, 151926, 227889, 455778, 1190087, 2380174, 3570261, 7140522, 10710783, 21421566]

約数ペア:

[(1, 21421566), (2, 10710783), (3, 7140522), (6, 3570261), (9, 2380174), (18, 1190087), (47, 455778), (94, 227889), (141, 151926), (282, 75963), (423, 50642), (846, 25321)]