21014764

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{157}}^1\times {\mathrm{307}}^1$

素因数の和:577

約数の個数: 24

約数和(自身を含む): 37471280

約数和(自身を除く): 16456516

約数列:

[1, 2, 4, 109, 157, 218, 307, 314, 436, 614, 628, 1228, 17113, 33463, 34226, 48199, 66926, 68452, 96398, 133852, 192796, 5253691, 10507382, 21014764]

約数ペア:

[(1, 21014764), (2, 10507382), (4, 5253691), (109, 192796), (157, 133852), (218, 96398), (307, 68452), (314, 66926), (436, 48199), (614, 34226), (628, 33463), (1228, 17113)]