21243987954

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5438809}}^1$

素因数の和:5438855

約数の個数: 48

約数和(自身を含む): 54301079040

約数和(自身を除く): 33057091086

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 93, 126, 186, 217, 279, 434, 558, 651, 1302, 1953, 3906, 5438809, 10877618, 16316427, 32632854, 38071663, 48949281, 76143326, 97898562, 114214989, 168603079, 228429978, 337206158, 342644967, 505809237, 685289934, 1011618474, 1180221553, 1517427711, 2360443106, 3034855422, 3540664659, 7081329318, 10621993977, 21243987954]

約数ペア:

[(1, 21243987954), (2, 10621993977), (3, 7081329318), (6, 3540664659), (7, 3034855422), (9, 2360443106), (14, 1517427711), (18, 1180221553), (21, 1011618474), (31, 685289934), (42, 505809237), (62, 342644967), (63, 337206158), (93, 228429978), (126, 168603079), (186, 114214989), (217, 97898562), (279, 76143326), (434, 48949281), (558, 38071663), (651, 32632854), (1302, 16316427), (1953, 10877618), (3906, 5438809)]