21229656

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1181}}^1$

素因数の和:1304

約数の個数: 64

約数和(自身を含む): 61274880

約数和(自身を除く): 40045224

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 107, 168, 214, 321, 428, 642, 749, 856, 1181, 1284, 1498, 2247, 2362, 2568, 2996, 3543, 4494, 4724, 5992, 7086, 8267, 8988, 9448, 14172, 16534, 17976, 24801, 28344, 33068, 49602, 66136, 99204, 126367, 198408, 252734, 379101, 505468, 758202, 884569, 1010936, 1516404, 1769138, 2653707, 3032808, 3538276, 5307414, 7076552, 10614828, 21229656]

約数ペア:

[(1, 21229656), (2, 10614828), (3, 7076552), (4, 5307414), (6, 3538276), (7, 3032808), (8, 2653707), (12, 1769138), (14, 1516404), (21, 1010936), (24, 884569), (28, 758202), (42, 505468), (56, 379101), (84, 252734), (107, 198408), (168, 126367), (214, 99204), (321, 66136), (428, 49602), (642, 33068), (749, 28344), (856, 24801), (1181, 17976), (1284, 16534), (1498, 14172), (2247, 9448), (2362, 8988), (2568, 8267), (2996, 7086), (3543, 5992), (4494, 4724)]