21821856

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{4639}}^1$

素因数の和:4666

約数の個数: 72

約数和(自身を含む): 66648960

約数和(自身を除く): 44827104

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 224, 294, 336, 392, 588, 672, 784, 1176, 1568, 2352, 4639, 4704, 9278, 13917, 18556, 27834, 32473, 37112, 55668, 64946, 74224, 97419, 111336, 129892, 148448, 194838, 222672, 227311, 259784, 389676, 445344, 454622, 519568, 681933, 779352, 909244, 1039136, 1363866, 1558704, 1818488, 2727732, 3117408, 3636976, 5455464, 7273952, 10910928, 21821856]

約数ペア:

[(1, 21821856), (2, 10910928), (3, 7273952), (4, 5455464), (6, 3636976), (7, 3117408), (8, 2727732), (12, 1818488), (14, 1558704), (16, 1363866), (21, 1039136), (24, 909244), (28, 779352), (32, 681933), (42, 519568), (48, 454622), (49, 445344), (56, 389676), (84, 259784), (96, 227311), (98, 222672), (112, 194838), (147, 148448), (168, 129892), (196, 111336), (224, 97419), (294, 74224), (336, 64946), (392, 55668), (588, 37112), (672, 32473), (784, 27834), (1176, 18556), (1568, 13917), (2352, 9278), (4639, 4704)]