21472318

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{907}}^1$

素因数の和:1024

約数の個数: 32

約数和(自身を含む): 39225600

約数和(自身を除く): 17753282

約数列:

[1, 2, 7, 14, 19, 38, 89, 133, 178, 266, 623, 907, 1246, 1691, 1814, 3382, 6349, 11837, 12698, 17233, 23674, 34466, 80723, 120631, 161446, 241262, 565061, 1130122, 1533737, 3067474, 10736159, 21472318]

約数ペア:

[(1, 21472318), (2, 10736159), (7, 3067474), (14, 1533737), (19, 1130122), (38, 565061), (89, 241262), (133, 161446), (178, 120631), (266, 80723), (623, 34466), (907, 23674), (1246, 17233), (1691, 12698), (1814, 11837), (3382, 6349)]