21916409984

素因数分解:

$2^7\times 7^1\times {\mathrm{59}}^1\times {\mathrm{607}}^1\times {\mathrm{683}}^1$

素因数の和:1370

約数の個数: 128

約数和(自身を含む): 50902732800

約数和(自身を除く): 28986322816

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 59, 64, 112, 118, 128, 224, 236, 413, 448, 472, 607, 683, 826, 896, 944, 1214, 1366, 1652, 1888, 2428, 2732, 3304, 3776, 4249, 4781, 4856, 5464, 6608, 7552, 8498, 9562, 9712, 10928, 13216, 16996, 19124, 19424, 21856, 26432, 33992, 35813, 38248, 38848, 40297, 43712, 52864, 67984, 71626, 76496, 77696, 80594, 87424, 135968, 143252, 152992, 161188, 250691, 271936, 282079, 286504, 305984, 322376, 414581, 501382, 543872, 564158, 573008, 611968, 644752, 829162, 1002764, 1128316, 1146016, 1289504, 1658324, 2005528, 2256632, 2292032, 2579008, 2902067, 3316648, 4011056, 4513264, 4584064, 5158016, 5804134, 6633296, 8022112, 9026528, 11608268, 13266592, 16044224, 18053056, 23216536, 24460279, 26533184, 32088448, 36106112, 46433072, 48920558, 53066368, 92866144, 97841116, 171221953, 185732288, 195682232, 342443906, 371464576, 391364464, 684887812, 782728928, 1369775624, 1565457856, 2739551248, 3130915712, 5479102496, 10958204992, 21916409984]

約数ペア:

[(1, 21916409984), (2, 10958204992), (4, 5479102496), (7, 3130915712), (8, 2739551248), (14, 1565457856), (16, 1369775624), (28, 782728928), (32, 684887812), (56, 391364464), (59, 371464576), (64, 342443906), (112, 195682232), (118, 185732288), (128, 171221953), (224, 97841116), (236, 92866144), (413, 53066368), (448, 48920558), (472, 46433072), (607, 36106112), (683, 32088448), (826, 26533184), (896, 24460279), (944, 23216536), (1214, 18053056), (1366, 16044224), (1652, 13266592), (1888, 11608268), (2428, 9026528), (2732, 8022112), (3304, 6633296), (3776, 5804134), (4249, 5158016), (4781, 4584064), (4856, 4513264), (5464, 4011056), (6608, 3316648), (7552, 2902067), (8498, 2579008), (9562, 2292032), (9712, 2256632), (10928, 2005528), (13216, 1658324), (16996, 1289504), (19124, 1146016), (19424, 1128316), (21856, 1002764), (26432, 829162), (33992, 644752), (35813, 611968), (38248, 573008), (38848, 564158), (40297, 543872), (43712, 501382), (52864, 414581), (67984, 322376), (71626, 305984), (76496, 286504), (77696, 282079), (80594, 271936), (87424, 250691), (135968, 161188), (143252, 152992)]