21299032

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{503}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 41126400

約数和(自身を除く): 19827368

約数列:

[1, 2, 4, 8, 67, 79, 134, 158, 268, 316, 503, 536, 632, 1006, 2012, 4024, 5293, 10586, 21172, 33701, 39737, 42344, 67402, 79474, 134804, 158948, 269608, 317896, 2662379, 5324758, 10649516, 21299032]

約数ペア:

[(1, 21299032), (2, 10649516), (4, 5324758), (8, 2662379), (67, 317896), (79, 269608), (134, 158948), (158, 134804), (268, 79474), (316, 67402), (503, 42344), (536, 39737), (632, 33701), (1006, 21172), (2012, 10586), (4024, 5293)]