21168160

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10177}}^1$

素因数の和:10205

約数の個数: 48

約数和(自身を含む): 53861976

約数和(自身を除く): 32693816

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 10177, 20354, 40708, 50885, 81416, 101770, 132301, 162832, 203540, 264602, 325664, 407080, 529204, 661505, 814160, 1058408, 1323010, 1628320, 2116816, 2646020, 4233632, 5292040, 10584080, 21168160]

約数ペア:

[(1, 21168160), (2, 10584080), (4, 5292040), (5, 4233632), (8, 2646020), (10, 2116816), (13, 1628320), (16, 1323010), (20, 1058408), (26, 814160), (32, 661505), (40, 529204), (52, 407080), (65, 325664), (80, 264602), (104, 203540), (130, 162832), (160, 132301), (208, 101770), (260, 81416), (416, 50885), (520, 40708), (1040, 20354), (2080, 10177)]