21164600

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:189

約数の個数: 96

約数和(自身を含む): 53032320

約数和(自身を除く): 31867720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 43, 46, 50, 86, 92, 100, 107, 115, 172, 184, 200, 214, 215, 230, 344, 428, 430, 460, 535, 575, 856, 860, 920, 989, 1070, 1075, 1150, 1720, 1978, 2140, 2150, 2300, 2461, 2675, 3956, 4280, 4300, 4600, 4601, 4922, 4945, 5350, 7912, 8600, 9202, 9844, 9890, 10700, 12305, 18404, 19688, 19780, 21400, 23005, 24610, 24725, 36808, 39560, 46010, 49220, 49450, 61525, 92020, 98440, 98900, 105823, 115025, 123050, 184040, 197800, 211646, 230050, 246100, 423292, 460100, 492200, 529115, 846584, 920200, 1058230, 2116460, 2645575, 4232920, 5291150, 10582300, 21164600]

約数ペア:

[(1, 21164600), (2, 10582300), (4, 5291150), (5, 4232920), (8, 2645575), (10, 2116460), (20, 1058230), (23, 920200), (25, 846584), (40, 529115), (43, 492200), (46, 460100), (50, 423292), (86, 246100), (92, 230050), (100, 211646), (107, 197800), (115, 184040), (172, 123050), (184, 115025), (200, 105823), (214, 98900), (215, 98440), (230, 92020), (344, 61525), (428, 49450), (430, 49220), (460, 46010), (535, 39560), (575, 36808), (856, 24725), (860, 24610), (920, 23005), (989, 21400), (1070, 19780), (1075, 19688), (1150, 18404), (1720, 12305), (1978, 10700), (2140, 9890), (2150, 9844), (2300, 9202), (2461, 8600), (2675, 7912), (3956, 5350), (4280, 4945), (4300, 4922), (4600, 4601)]