21333488

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2579}}^1$

素因数の和:2645

約数の個数: 40

約数和(自身を含む): 46068480

約数和(自身を除く): 24734992

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 47, 88, 94, 176, 188, 376, 517, 752, 1034, 2068, 2579, 4136, 5158, 8272, 10316, 20632, 28369, 41264, 56738, 113476, 121213, 226952, 242426, 453904, 484852, 969704, 1333343, 1939408, 2666686, 5333372, 10666744, 21333488]

約数ペア:

[(1, 21333488), (2, 10666744), (4, 5333372), (8, 2666686), (11, 1939408), (16, 1333343), (22, 969704), (44, 484852), (47, 453904), (88, 242426), (94, 226952), (176, 121213), (188, 113476), (376, 56738), (517, 41264), (752, 28369), (1034, 20632), (2068, 10316), (2579, 8272), (4136, 5158)]