21773360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{659}}^1$

素因数の和:738

約数の個数: 80

約数和(自身を含む): 58924800

約数和(自身を除く): 37151440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 59, 70, 80, 112, 118, 140, 236, 280, 295, 413, 472, 560, 590, 659, 826, 944, 1180, 1318, 1652, 2065, 2360, 2636, 3295, 3304, 4130, 4613, 4720, 5272, 6590, 6608, 8260, 9226, 10544, 13180, 16520, 18452, 23065, 26360, 33040, 36904, 38881, 46130, 52720, 73808, 77762, 92260, 155524, 184520, 194405, 272167, 311048, 369040, 388810, 544334, 622096, 777620, 1088668, 1360835, 1555240, 2177336, 2721670, 3110480, 4354672, 5443340, 10886680, 21773360]

約数ペア:

[(1, 21773360), (2, 10886680), (4, 5443340), (5, 4354672), (7, 3110480), (8, 2721670), (10, 2177336), (14, 1555240), (16, 1360835), (20, 1088668), (28, 777620), (35, 622096), (40, 544334), (56, 388810), (59, 369040), (70, 311048), (80, 272167), (112, 194405), (118, 184520), (140, 155524), (236, 92260), (280, 77762), (295, 73808), (413, 52720), (472, 46130), (560, 38881), (590, 36904), (659, 33040), (826, 26360), (944, 23065), (1180, 18452), (1318, 16520), (1652, 13180), (2065, 10544), (2360, 9226), (2636, 8260), (3295, 6608), (3304, 6590), (4130, 5272), (4613, 4720)]