21785932

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1321}}^1$

素因数の和:1382

約数の個数: 48

約数和(自身を含む): 47380480

約数和(自身を除く): 25594548

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 133, 217, 266, 434, 532, 589, 868, 1178, 1321, 2356, 2642, 4123, 5284, 8246, 9247, 16492, 18494, 25099, 36988, 40951, 50198, 81902, 100396, 163804, 175693, 286657, 351386, 573314, 702772, 778069, 1146628, 1556138, 3112276, 5446483, 10892966, 21785932]

約数ペア:

[(1, 21785932), (2, 10892966), (4, 5446483), (7, 3112276), (14, 1556138), (19, 1146628), (28, 778069), (31, 702772), (38, 573314), (62, 351386), (76, 286657), (124, 175693), (133, 163804), (217, 100396), (266, 81902), (434, 50198), (532, 40951), (589, 36988), (868, 25099), (1178, 18494), (1321, 16492), (2356, 9247), (2642, 8246), (4123, 5284)]