21542080

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:246

約数の個数: 112

約数和(自身を含む): 59984640

約数和(自身を除く): 38442560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 59, 64, 70, 80, 112, 118, 140, 160, 163, 224, 236, 280, 295, 320, 326, 413, 448, 472, 560, 590, 652, 815, 826, 944, 1120, 1141, 1180, 1304, 1630, 1652, 1888, 2065, 2240, 2282, 2360, 2608, 3260, 3304, 3776, 4130, 4564, 4720, 5216, 5705, 6520, 6608, 8260, 9128, 9440, 9617, 10432, 11410, 13040, 13216, 16520, 18256, 18880, 19234, 22820, 26080, 26432, 33040, 36512, 38468, 45640, 48085, 52160, 66080, 67319, 73024, 76936, 91280, 96170, 132160, 134638, 153872, 182560, 192340, 269276, 307744, 336595, 365120, 384680, 538552, 615488, 673190, 769360, 1077104, 1346380, 1538720, 2154208, 2692760, 3077440, 4308416, 5385520, 10771040, 21542080]

約数ペア:

[(1, 21542080), (2, 10771040), (4, 5385520), (5, 4308416), (7, 3077440), (8, 2692760), (10, 2154208), (14, 1538720), (16, 1346380), (20, 1077104), (28, 769360), (32, 673190), (35, 615488), (40, 538552), (56, 384680), (59, 365120), (64, 336595), (70, 307744), (80, 269276), (112, 192340), (118, 182560), (140, 153872), (160, 134638), (163, 132160), (224, 96170), (236, 91280), (280, 76936), (295, 73024), (320, 67319), (326, 66080), (413, 52160), (448, 48085), (472, 45640), (560, 38468), (590, 36512), (652, 33040), (815, 26432), (826, 26080), (944, 22820), (1120, 19234), (1141, 18880), (1180, 18256), (1304, 16520), (1630, 13216), (1652, 13040), (1888, 11410), (2065, 10432), (2240, 9617), (2282, 9440), (2360, 9128), (2608, 8260), (3260, 6608), (3304, 6520), (3776, 5705), (4130, 5216), (4564, 4720)]