21222166

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{457}}^1$

素因数の和:604

約数の個数: 32

約数和(自身を含む): 37988352

約数和(自身を除く): 16766186

約数列:

[1, 2, 7, 14, 31, 62, 107, 214, 217, 434, 457, 749, 914, 1498, 3199, 3317, 6398, 6634, 14167, 23219, 28334, 46438, 48899, 97798, 99169, 198338, 342293, 684586, 1515869, 3031738, 10611083, 21222166]

約数ペア:

[(1, 21222166), (2, 10611083), (7, 3031738), (14, 1515869), (31, 684586), (62, 342293), (107, 198338), (214, 99169), (217, 97798), (434, 48899), (457, 46438), (749, 28334), (914, 23219), (1498, 14167), (3199, 6634), (3317, 6398)]