21348200

素因数分解:

$2^3\times 5^2\times {\mathrm{173}}^1\times {\mathrm{617}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 50002380

約数和(自身を除く): 28654180

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 173, 200, 346, 617, 692, 865, 1234, 1384, 1730, 2468, 3085, 3460, 4325, 4936, 6170, 6920, 8650, 12340, 15425, 17300, 24680, 30850, 34600, 61700, 106741, 123400, 213482, 426964, 533705, 853928, 1067410, 2134820, 2668525, 4269640, 5337050, 10674100, 21348200]

約数ペア:

[(1, 21348200), (2, 10674100), (4, 5337050), (5, 4269640), (8, 2668525), (10, 2134820), (20, 1067410), (25, 853928), (40, 533705), (50, 426964), (100, 213482), (173, 123400), (200, 106741), (346, 61700), (617, 34600), (692, 30850), (865, 24680), (1234, 17300), (1384, 15425), (1730, 12340), (2468, 8650), (3085, 6920), (3460, 6170), (4325, 4936)]