21033992962

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{32069}}^1$

素因数の和:32322

約数の個数: 32

約数和(自身を含む): 33250176000

約数和(自身を除く): 12216183038

約数列:

[1, 2, 31, 62, 71, 142, 149, 298, 2201, 4402, 4619, 9238, 10579, 21158, 32069, 64138, 327949, 655898, 994139, 1988278, 2276899, 4553798, 4778281, 9556562, 70583869, 141167738, 148126711, 296253422, 339257951, 678515902, 10516996481, 21033992962]

約数ペア:

[(1, 21033992962), (2, 10516996481), (31, 678515902), (62, 339257951), (71, 296253422), (142, 148126711), (149, 141167738), (298, 70583869), (2201, 9556562), (4402, 4778281), (4619, 4553798), (9238, 2276899), (10579, 1988278), (21158, 994139), (32069, 655898), (64138, 327949)]