21085776

素因数分解:

$2^4\times 3^2\times {\mathrm{181}}^1\times {\mathrm{809}}^1$

素因数の和:1004

約数の個数: 60

約数和(自身を含む): 59410260

約数和(自身を除く): 38324484

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 181, 362, 543, 724, 809, 1086, 1448, 1618, 1629, 2172, 2427, 2896, 3236, 3258, 4344, 4854, 6472, 6516, 7281, 8688, 9708, 12944, 13032, 14562, 19416, 26064, 29124, 38832, 58248, 116496, 146429, 292858, 439287, 585716, 878574, 1171432, 1317861, 1757148, 2342864, 2635722, 3514296, 5271444, 7028592, 10542888, 21085776]

約数ペア:

[(1, 21085776), (2, 10542888), (3, 7028592), (4, 5271444), (6, 3514296), (8, 2635722), (9, 2342864), (12, 1757148), (16, 1317861), (18, 1171432), (24, 878574), (36, 585716), (48, 439287), (72, 292858), (144, 146429), (181, 116496), (362, 58248), (543, 38832), (724, 29124), (809, 26064), (1086, 19416), (1448, 14562), (1618, 13032), (1629, 12944), (2172, 9708), (2427, 8688), (2896, 7281), (3236, 6516), (3258, 6472), (4344, 4854)]