21460585552

素因数分解:

$2^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1321}}^1\times {\mathrm{1987}}^1$

素因数の和:3396

約数の個数: 80

約数和(自身を含む): 48231551872

約数和(自身を除く): 26770966320

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 73, 112, 146, 292, 511, 584, 1022, 1168, 1321, 1987, 2044, 2642, 3974, 4088, 5284, 7948, 8176, 9247, 10568, 13909, 15896, 18494, 21136, 27818, 31792, 36988, 55636, 73976, 96433, 111272, 145051, 147952, 192866, 222544, 290102, 385732, 580204, 675031, 771464, 1015357, 1160408, 1350062, 1542928, 2030714, 2320816, 2624827, 2700124, 4061428, 5249654, 5400248, 8122856, 10499308, 10800496, 16245712, 18373789, 20998616, 36747578, 41997232, 73495156, 146990312, 191612371, 293980624, 383224742, 766449484, 1341286597, 1532898968, 2682573194, 3065797936, 5365146388, 10730292776, 21460585552]

約数ペア:

[(1, 21460585552), (2, 10730292776), (4, 5365146388), (7, 3065797936), (8, 2682573194), (14, 1532898968), (16, 1341286597), (28, 766449484), (56, 383224742), (73, 293980624), (112, 191612371), (146, 146990312), (292, 73495156), (511, 41997232), (584, 36747578), (1022, 20998616), (1168, 18373789), (1321, 16245712), (1987, 10800496), (2044, 10499308), (2642, 8122856), (3974, 5400248), (4088, 5249654), (5284, 4061428), (7948, 2700124), (8176, 2624827), (9247, 2320816), (10568, 2030714), (13909, 1542928), (15896, 1350062), (18494, 1160408), (21136, 1015357), (27818, 771464), (31792, 675031), (36988, 580204), (55636, 385732), (73976, 290102), (96433, 222544), (111272, 192866), (145051, 147952)]