21000388630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{433087}}^1$

素因数の和:433480

約数の個数: 32

約数和(自身を含む): 40817677824

約数和(自身を除く): 19817289194

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 373, 746, 1865, 3730, 4849, 9698, 24245, 48490, 433087, 866174, 2165435, 4330870, 5630131, 11260262, 28150655, 56301310, 161541451, 323082902, 807707255, 1615414510, 2100038863, 4200077726, 10500194315, 21000388630]

約数ペア:

[(1, 21000388630), (2, 10500194315), (5, 4200077726), (10, 2100038863), (13, 1615414510), (26, 807707255), (65, 323082902), (130, 161541451), (373, 56301310), (746, 28150655), (1865, 11260262), (3730, 5630131), (4849, 4330870), (9698, 2165435), (24245, 866174), (48490, 433087)]