21381420528

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{53623}}^1$

素因数の和:53724

約数の個数: 160

約数和(自身を含む): 67025710080

約数和(自身を除く): 45644289552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 71, 72, 78, 104, 108, 117, 142, 144, 156, 208, 213, 216, 234, 284, 312, 351, 426, 432, 468, 568, 624, 639, 702, 852, 923, 936, 1136, 1278, 1404, 1704, 1846, 1872, 1917, 2556, 2769, 2808, 3408, 3692, 3834, 5112, 5538, 5616, 7384, 7668, 8307, 10224, 11076, 14768, 15336, 16614, 22152, 24921, 30672, 33228, 44304, 49842, 53623, 66456, 99684, 107246, 132912, 160869, 199368, 214492, 321738, 398736, 428984, 482607, 643476, 697099, 857968, 965214, 1286952, 1394198, 1447821, 1930428, 2091297, 2573904, 2788396, 2895642, 3807233, 3860856, 4182594, 5576792, 5791284, 6273891, 7614466, 7721712, 8365188, 11153584, 11421699, 11582568, 12547782, 15228932, 16730376, 18821673, 22843398, 23165136, 25095564, 30457864, 33460752, 34265097, 37643346, 45686796, 49494029, 50191128, 60915728, 68530194, 75286692, 91373592, 98988058, 100382256, 102795291, 137060388, 148482087, 150573384, 182747184, 197976116, 205590582, 274120776, 296964174, 301146768, 395952232, 411181164, 445446261, 548241552, 593928348, 791904464, 822362328, 890892522, 1187856696, 1336338783, 1644724656, 1781785044, 2375713392, 2672677566, 3563570088, 5345355132, 7127140176, 10690710264, 21381420528]

約数ペア:

[(1, 21381420528), (2, 10690710264), (3, 7127140176), (4, 5345355132), (6, 3563570088), (8, 2672677566), (9, 2375713392), (12, 1781785044), (13, 1644724656), (16, 1336338783), (18, 1187856696), (24, 890892522), (26, 822362328), (27, 791904464), (36, 593928348), (39, 548241552), (48, 445446261), (52, 411181164), (54, 395952232), (71, 301146768), (72, 296964174), (78, 274120776), (104, 205590582), (108, 197976116), (117, 182747184), (142, 150573384), (144, 148482087), (156, 137060388), (208, 102795291), (213, 100382256), (216, 98988058), (234, 91373592), (284, 75286692), (312, 68530194), (351, 60915728), (426, 50191128), (432, 49494029), (468, 45686796), (568, 37643346), (624, 34265097), (639, 33460752), (702, 30457864), (852, 25095564), (923, 23165136), (936, 22843398), (1136, 18821673), (1278, 16730376), (1404, 15228932), (1704, 12547782), (1846, 11582568), (1872, 11421699), (1917, 11153584), (2556, 8365188), (2769, 7721712), (2808, 7614466), (3408, 6273891), (3692, 5791284), (3834, 5576792), (5112, 4182594), (5538, 3860856), (5616, 3807233), (7384, 2895642), (7668, 2788396), (8307, 2573904), (10224, 2091297), (11076, 1930428), (14768, 1447821), (15336, 1394198), (16614, 1286952), (22152, 965214), (24921, 857968), (30672, 697099), (33228, 643476), (44304, 482607), (49842, 428984), (53623, 398736), (66456, 321738), (99684, 214492), (107246, 199368), (132912, 160869)]