21703014760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{367}}^1\times {\mathrm{1663}}^1$

素因数の和:2175

約数の個数: 128

約数和(自身を含む): 56434360320

約数和(自身を除く): 34731345560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 127, 140, 254, 280, 367, 508, 635, 734, 889, 1016, 1270, 1468, 1663, 1778, 1835, 2540, 2569, 2936, 3326, 3556, 3670, 4445, 5080, 5138, 6652, 7112, 7340, 8315, 8890, 10276, 11641, 12845, 13304, 14680, 16630, 17780, 20552, 23282, 25690, 33260, 35560, 46564, 46609, 51380, 58205, 66520, 93128, 93218, 102760, 116410, 186436, 211201, 232820, 233045, 326263, 372872, 422402, 465640, 466090, 610321, 652526, 844804, 932180, 1056005, 1220642, 1305052, 1478407, 1631315, 1689608, 1864360, 2112010, 2441284, 2610104, 2956814, 3051605, 3262630, 4224020, 4272247, 4882568, 5913628, 6103210, 6525260, 7392035, 8448040, 8544494, 11827256, 12206420, 13050520, 14784070, 17088988, 21361235, 24412840, 29568140, 34177976, 42722470, 59136280, 77510767, 85444940, 155021534, 170889880, 310043068, 387553835, 542575369, 620086136, 775107670, 1085150738, 1550215340, 2170301476, 2712876845, 3100430680, 4340602952, 5425753690, 10851507380, 21703014760]

約数ペア:

[(1, 21703014760), (2, 10851507380), (4, 5425753690), (5, 4340602952), (7, 3100430680), (8, 2712876845), (10, 2170301476), (14, 1550215340), (20, 1085150738), (28, 775107670), (35, 620086136), (40, 542575369), (56, 387553835), (70, 310043068), (127, 170889880), (140, 155021534), (254, 85444940), (280, 77510767), (367, 59136280), (508, 42722470), (635, 34177976), (734, 29568140), (889, 24412840), (1016, 21361235), (1270, 17088988), (1468, 14784070), (1663, 13050520), (1778, 12206420), (1835, 11827256), (2540, 8544494), (2569, 8448040), (2936, 7392035), (3326, 6525260), (3556, 6103210), (3670, 5913628), (4445, 4882568), (5080, 4272247), (5138, 4224020), (6652, 3262630), (7112, 3051605), (7340, 2956814), (8315, 2610104), (8890, 2441284), (10276, 2112010), (11641, 1864360), (12845, 1689608), (13304, 1631315), (14680, 1478407), (16630, 1305052), (17780, 1220642), (20552, 1056005), (23282, 932180), (25690, 844804), (33260, 652526), (35560, 610321), (46564, 466090), (46609, 465640), (51380, 422402), (58205, 372872), (66520, 326263), (93128, 233045), (93218, 232820), (102760, 211201), (116410, 186436)]