21998793089

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{120331}}^1$

素因数の和:120406

約数の個数: 32

約数和(自身を含む): 28302086400

約数和(自身を除く): 6303293311

約数列:

[1, 7, 13, 41, 49, 91, 287, 343, 533, 637, 2009, 3731, 4459, 14063, 26117, 120331, 182819, 842317, 1564303, 4933571, 5896219, 10950121, 34534997, 41273533, 64136423, 76650847, 241744979, 448954961, 536555929, 1692214853, 3142684727, 21998793089]

約数ペア:

[(1, 21998793089), (7, 3142684727), (13, 1692214853), (41, 536555929), (49, 448954961), (91, 241744979), (287, 76650847), (343, 64136423), (533, 41273533), (637, 34534997), (2009, 10950121), (3731, 5896219), (4459, 4933571), (14063, 1564303), (26117, 842317), (120331, 182819)]