21775740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{373}}^1$

素因数の和:531

約数の個数: 96

約数和(自身を含む): 70371840

約数和(自身を除く): 48596100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 139, 140, 210, 278, 373, 417, 420, 556, 695, 746, 834, 973, 1119, 1390, 1492, 1668, 1865, 1946, 2085, 2238, 2611, 2780, 2919, 3730, 3892, 4170, 4476, 4865, 5222, 5595, 5838, 7460, 7833, 8340, 9730, 10444, 11190, 11676, 13055, 14595, 15666, 19460, 22380, 26110, 29190, 31332, 39165, 51847, 52220, 58380, 78330, 103694, 155541, 156660, 207388, 259235, 311082, 362929, 518470, 622164, 725858, 777705, 1036940, 1088787, 1451716, 1555410, 1814645, 2177574, 3110820, 3629290, 4355148, 5443935, 7258580, 10887870, 21775740]

約数ペア:

[(1, 21775740), (2, 10887870), (3, 7258580), (4, 5443935), (5, 4355148), (6, 3629290), (7, 3110820), (10, 2177574), (12, 1814645), (14, 1555410), (15, 1451716), (20, 1088787), (21, 1036940), (28, 777705), (30, 725858), (35, 622164), (42, 518470), (60, 362929), (70, 311082), (84, 259235), (105, 207388), (139, 156660), (140, 155541), (210, 103694), (278, 78330), (373, 58380), (417, 52220), (420, 51847), (556, 39165), (695, 31332), (746, 29190), (834, 26110), (973, 22380), (1119, 19460), (1390, 15666), (1492, 14595), (1668, 13055), (1865, 11676), (1946, 11190), (2085, 10444), (2238, 9730), (2611, 8340), (2780, 7833), (2919, 7460), (3730, 5838), (3892, 5595), (4170, 5222), (4476, 4865)]