21234400

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:177

約数の個数: 144

約数和(自身を含む): 59996160

約数和(自身を除く): 38761760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 25, 32, 38, 40, 44, 50, 55, 76, 80, 88, 95, 100, 110, 127, 152, 160, 176, 190, 200, 209, 220, 254, 275, 304, 352, 380, 400, 418, 440, 475, 508, 550, 608, 635, 760, 800, 836, 880, 950, 1016, 1045, 1100, 1270, 1397, 1520, 1672, 1760, 1900, 2032, 2090, 2200, 2413, 2540, 2794, 3040, 3175, 3344, 3800, 4064, 4180, 4400, 4826, 5080, 5225, 5588, 6350, 6688, 6985, 7600, 8360, 8800, 9652, 10160, 10450, 11176, 12065, 12700, 13970, 15200, 16720, 19304, 20320, 20900, 22352, 24130, 25400, 26543, 27940, 33440, 34925, 38608, 41800, 44704, 48260, 50800, 53086, 55880, 60325, 69850, 77216, 83600, 96520, 101600, 106172, 111760, 120650, 132715, 139700, 167200, 193040, 212344, 223520, 241300, 265430, 279400, 386080, 424688, 482600, 530860, 558800, 663575, 849376, 965200, 1061720, 1117600, 1327150, 1930400, 2123440, 2654300, 4246880, 5308600, 10617200, 21234400]

約数ペア:

[(1, 21234400), (2, 10617200), (4, 5308600), (5, 4246880), (8, 2654300), (10, 2123440), (11, 1930400), (16, 1327150), (19, 1117600), (20, 1061720), (22, 965200), (25, 849376), (32, 663575), (38, 558800), (40, 530860), (44, 482600), (50, 424688), (55, 386080), (76, 279400), (80, 265430), (88, 241300), (95, 223520), (100, 212344), (110, 193040), (127, 167200), (152, 139700), (160, 132715), (176, 120650), (190, 111760), (200, 106172), (209, 101600), (220, 96520), (254, 83600), (275, 77216), (304, 69850), (352, 60325), (380, 55880), (400, 53086), (418, 50800), (440, 48260), (475, 44704), (508, 41800), (550, 38608), (608, 34925), (635, 33440), (760, 27940), (800, 26543), (836, 25400), (880, 24130), (950, 22352), (1016, 20900), (1045, 20320), (1100, 19304), (1270, 16720), (1397, 15200), (1520, 13970), (1672, 12700), (1760, 12065), (1900, 11176), (2032, 10450), (2090, 10160), (2200, 9652), (2413, 8800), (2540, 8360), (2794, 7600), (3040, 6985), (3175, 6688), (3344, 6350), (3800, 5588), (4064, 5225), (4180, 5080), (4400, 4826)]