21887172

素因数分解:

$2^2\times 3^4\times {\mathrm{43}}^1\times {\mathrm{1571}}^1$

素因数の和:1630

約数の個数: 60

約数和(自身を含む): 58585296

約数和(自身を除く): 36698124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 81, 86, 108, 129, 162, 172, 258, 324, 387, 516, 774, 1161, 1548, 1571, 2322, 3142, 3483, 4644, 4713, 6284, 6966, 9426, 13932, 14139, 18852, 28278, 42417, 56556, 67553, 84834, 127251, 135106, 169668, 202659, 254502, 270212, 405318, 509004, 607977, 810636, 1215954, 1823931, 2431908, 3647862, 5471793, 7295724, 10943586, 21887172]

約数ペア:

[(1, 21887172), (2, 10943586), (3, 7295724), (4, 5471793), (6, 3647862), (9, 2431908), (12, 1823931), (18, 1215954), (27, 810636), (36, 607977), (43, 509004), (54, 405318), (81, 270212), (86, 254502), (108, 202659), (129, 169668), (162, 135106), (172, 127251), (258, 84834), (324, 67553), (387, 56556), (516, 42417), (774, 28278), (1161, 18852), (1548, 14139), (1571, 13932), (2322, 9426), (3142, 6966), (3483, 6284), (4644, 4713)]