21087908600

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{17209}}^1$

素因数の和:17793

約数の個数: 96

約数和(自身を含む): 53585744400

約数和(自身を除く): 32497835800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 557, 1100, 1114, 2200, 2228, 2785, 4456, 5570, 6127, 11140, 12254, 13925, 17209, 22280, 24508, 27850, 30635, 34418, 49016, 55700, 61270, 68836, 86045, 111400, 122540, 137672, 153175, 172090, 189299, 245080, 306350, 344180, 378598, 430225, 612700, 688360, 757196, 860450, 946495, 1225400, 1514392, 1720900, 1892990, 3441800, 3785980, 4732475, 7571960, 9464950, 9585413, 18929900, 19170826, 37859800, 38341652, 47927065, 76683304, 95854130, 105439543, 191708260, 210879086, 239635325, 383416520, 421758172, 479270650, 527197715, 843516344, 958541300, 1054395430, 1917082600, 2108790860, 2635988575, 4217581720, 5271977150, 10543954300, 21087908600]

約数ペア:

[(1, 21087908600), (2, 10543954300), (4, 5271977150), (5, 4217581720), (8, 2635988575), (10, 2108790860), (11, 1917082600), (20, 1054395430), (22, 958541300), (25, 843516344), (40, 527197715), (44, 479270650), (50, 421758172), (55, 383416520), (88, 239635325), (100, 210879086), (110, 191708260), (200, 105439543), (220, 95854130), (275, 76683304), (440, 47927065), (550, 38341652), (557, 37859800), (1100, 19170826), (1114, 18929900), (2200, 9585413), (2228, 9464950), (2785, 7571960), (4456, 4732475), (5570, 3785980), (6127, 3441800), (11140, 1892990), (12254, 1720900), (13925, 1514392), (17209, 1225400), (22280, 946495), (24508, 860450), (27850, 757196), (30635, 688360), (34418, 612700), (49016, 430225), (55700, 378598), (61270, 344180), (68836, 306350), (86045, 245080), (111400, 189299), (122540, 172090), (137672, 153175)]