21971192

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{373}}^1$

素因数の和:615

約数の個数: 32

約数和(自身を含む): 42636000

約数和(自身を除く): 20664808

約数列:

[1, 2, 4, 8, 37, 74, 148, 199, 296, 373, 398, 746, 796, 1492, 1592, 2984, 7363, 13801, 14726, 27602, 29452, 55204, 58904, 74227, 110408, 148454, 296908, 593816, 2746399, 5492798, 10985596, 21971192]

約数ペア:

[(1, 21971192), (2, 10985596), (4, 5492798), (8, 2746399), (37, 593816), (74, 296908), (148, 148454), (199, 110408), (296, 74227), (373, 58904), (398, 55204), (746, 29452), (796, 27602), (1492, 14726), (1592, 13801), (2984, 7363)]