21839209197

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{331153}}^1$

素因数の和:331277

約数の個数: 32

約数和(自身を含む): 33380323200

約数和(自身を除く): 11541114003

約数列:

[1, 3, 13, 19, 39, 57, 89, 247, 267, 741, 1157, 1691, 3471, 5073, 21983, 65949, 331153, 993459, 4304989, 6291907, 12914967, 18875721, 29472617, 81794791, 88417851, 245384373, 383144021, 559979723, 1149432063, 1679939169, 7279736399, 21839209197]

約数ペア:

[(1, 21839209197), (3, 7279736399), (13, 1679939169), (19, 1149432063), (39, 559979723), (57, 383144021), (89, 245384373), (247, 88417851), (267, 81794791), (741, 29472617), (1157, 18875721), (1691, 12914967), (3471, 6291907), (5073, 4304989), (21983, 993459), (65949, 331153)]