21679726

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:424

約数の個数: 32

約数和(自身を含む): 36191232

約数和(自身を除く): 14511506

約数列:

[1, 2, 17, 31, 34, 62, 67, 134, 307, 527, 614, 1054, 1139, 2077, 2278, 4154, 5219, 9517, 10438, 19034, 20569, 35309, 41138, 70618, 161789, 323578, 349673, 637639, 699346, 1275278, 10839863, 21679726]

約数ペア:

[(1, 21679726), (2, 10839863), (17, 1275278), (31, 699346), (34, 637639), (62, 349673), (67, 323578), (134, 161789), (307, 70618), (527, 41138), (614, 35309), (1054, 20569), (1139, 19034), (2077, 10438), (2278, 9517), (4154, 5219)]