21442960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^2$

素因数の和:149

約数の個数: 120

約数和(自身を含む): 63228096

約数和(自身を除く): 41785136

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 59, 70, 77, 80, 88, 110, 112, 118, 140, 154, 176, 220, 236, 280, 295, 308, 385, 413, 440, 472, 560, 590, 616, 649, 770, 826, 880, 944, 1180, 1232, 1298, 1540, 1652, 2065, 2360, 2596, 3080, 3245, 3304, 3481, 4130, 4543, 4720, 5192, 6160, 6490, 6608, 6962, 8260, 9086, 10384, 12980, 13924, 16520, 17405, 18172, 22715, 24367, 25960, 27848, 33040, 34810, 36344, 38291, 45430, 48734, 51920, 55696, 69620, 72688, 76582, 90860, 97468, 121835, 139240, 153164, 181720, 191455, 194936, 243670, 268037, 278480, 306328, 363440, 382910, 389872, 487340, 536074, 612656, 765820, 974680, 1072148, 1340185, 1531640, 1949360, 2144296, 2680370, 3063280, 4288592, 5360740, 10721480, 21442960]

約数ペア:

[(1, 21442960), (2, 10721480), (4, 5360740), (5, 4288592), (7, 3063280), (8, 2680370), (10, 2144296), (11, 1949360), (14, 1531640), (16, 1340185), (20, 1072148), (22, 974680), (28, 765820), (35, 612656), (40, 536074), (44, 487340), (55, 389872), (56, 382910), (59, 363440), (70, 306328), (77, 278480), (80, 268037), (88, 243670), (110, 194936), (112, 191455), (118, 181720), (140, 153164), (154, 139240), (176, 121835), (220, 97468), (236, 90860), (280, 76582), (295, 72688), (308, 69620), (385, 55696), (413, 51920), (440, 48734), (472, 45430), (560, 38291), (590, 36344), (616, 34810), (649, 33040), (770, 27848), (826, 25960), (880, 24367), (944, 22715), (1180, 18172), (1232, 17405), (1298, 16520), (1540, 13924), (1652, 12980), (2065, 10384), (2360, 9086), (2596, 8260), (3080, 6962), (3245, 6608), (3304, 6490), (3481, 6160), (4130, 5192), (4543, 4720)]