21146808

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^1\times {\mathrm{13151}}^1$

素因数の和:13227

約数の個数: 32

約数和(自身を含む): 53660160

約数和(自身を除く): 32513352

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 201, 268, 402, 536, 804, 1608, 13151, 26302, 39453, 52604, 78906, 105208, 157812, 315624, 881117, 1762234, 2643351, 3524468, 5286702, 7048936, 10573404, 21146808]

約数ペア:

[(1, 21146808), (2, 10573404), (3, 7048936), (4, 5286702), (6, 3524468), (8, 2643351), (12, 1762234), (24, 881117), (67, 315624), (134, 157812), (201, 105208), (268, 78906), (402, 52604), (536, 39453), (804, 26302), (1608, 13151)]