21000658248

素因数分解:

$2^3\times 3^2\times {\mathrm{1867}}^1\times {\mathrm{156227}}^1$

素因数の和:158106

約数の個数: 48

約数和(自身を含む): 56907611280

約数和(自身を除く): 35906953032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1867, 3734, 5601, 7468, 11202, 14936, 16803, 22404, 33606, 44808, 67212, 134424, 156227, 312454, 468681, 624908, 937362, 1249816, 1406043, 1874724, 2812086, 3749448, 5624172, 11248344, 291675809, 583351618, 875027427, 1166703236, 1750054854, 2333406472, 2625082281, 3500109708, 5250164562, 7000219416, 10500329124, 21000658248]

約数ペア:

[(1, 21000658248), (2, 10500329124), (3, 7000219416), (4, 5250164562), (6, 3500109708), (8, 2625082281), (9, 2333406472), (12, 1750054854), (18, 1166703236), (24, 875027427), (36, 583351618), (72, 291675809), (1867, 11248344), (3734, 5624172), (5601, 3749448), (7468, 2812086), (11202, 1874724), (14936, 1406043), (16803, 1249816), (22404, 937362), (33606, 624908), (44808, 468681), (67212, 312454), (134424, 156227)]