21585424

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6217}}^1$

素因数の和:6263

約数の個数: 40

約数和(自身を含む): 49346048

約数和(自身を除く): 27760624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 6217, 12434, 24868, 43519, 49736, 87038, 99472, 174076, 192727, 348152, 385454, 696304, 770908, 1349089, 1541816, 2698178, 3083632, 5396356, 10792712, 21585424]

約数ペア:

[(1, 21585424), (2, 10792712), (4, 5396356), (7, 3083632), (8, 2698178), (14, 1541816), (16, 1349089), (28, 770908), (31, 696304), (56, 385454), (62, 348152), (112, 192727), (124, 174076), (217, 99472), (248, 87038), (434, 49736), (496, 43519), (868, 24868), (1736, 12434), (3472, 6217)]