21383856

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{11423}}^1$

素因数の和:11450

約数の個数: 60

約数和(自身を含む): 64454208

約数和(自身を除く): 43070352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 11423, 22846, 34269, 45692, 68538, 91384, 102807, 137076, 148499, 182768, 205614, 274152, 296998, 411228, 445497, 548304, 593996, 822456, 890994, 1187992, 1336491, 1644912, 1781988, 2375984, 2672982, 3563976, 5345964, 7127952, 10691928, 21383856]

約数ペア:

[(1, 21383856), (2, 10691928), (3, 7127952), (4, 5345964), (6, 3563976), (8, 2672982), (9, 2375984), (12, 1781988), (13, 1644912), (16, 1336491), (18, 1187992), (24, 890994), (26, 822456), (36, 593996), (39, 548304), (48, 445497), (52, 411228), (72, 296998), (78, 274152), (104, 205614), (117, 182768), (144, 148499), (156, 137076), (208, 102807), (234, 91384), (312, 68538), (468, 45692), (624, 34269), (936, 22846), (1872, 11423)]