21840148

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 43545600

約数和(自身を除く): 21705452

約数列:

[1, 2, 4, 11, 22, 44, 47, 59, 94, 118, 179, 188, 236, 358, 517, 649, 716, 1034, 1298, 1969, 2068, 2596, 2773, 3938, 5546, 7876, 8413, 10561, 11092, 16826, 21122, 30503, 33652, 42244, 61006, 92543, 116171, 122012, 185086, 232342, 370172, 464684, 496367, 992734, 1985468, 5460037, 10920074, 21840148]

約数ペア:

[(1, 21840148), (2, 10920074), (4, 5460037), (11, 1985468), (22, 992734), (44, 496367), (47, 464684), (59, 370172), (94, 232342), (118, 185086), (179, 122012), (188, 116171), (236, 92543), (358, 61006), (517, 42244), (649, 33652), (716, 30503), (1034, 21122), (1298, 16826), (1969, 11092), (2068, 10561), (2596, 8413), (2773, 7876), (3938, 5546)]