21587664

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1367}}^1$

素因数の和:1432

約数の個数: 80

約数和(自身を含む): 65138688

約数和(自身を除く): 43551024

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 47, 48, 56, 84, 94, 112, 141, 168, 188, 282, 329, 336, 376, 564, 658, 752, 987, 1128, 1316, 1367, 1974, 2256, 2632, 2734, 3948, 4101, 5264, 5468, 7896, 8202, 9569, 10936, 15792, 16404, 19138, 21872, 28707, 32808, 38276, 57414, 64249, 65616, 76552, 114828, 128498, 153104, 192747, 229656, 256996, 385494, 449743, 459312, 513992, 770988, 899486, 1027984, 1349229, 1541976, 1798972, 2698458, 3083952, 3597944, 5396916, 7195888, 10793832, 21587664]

約数ペア:

[(1, 21587664), (2, 10793832), (3, 7195888), (4, 5396916), (6, 3597944), (7, 3083952), (8, 2698458), (12, 1798972), (14, 1541976), (16, 1349229), (21, 1027984), (24, 899486), (28, 770988), (42, 513992), (47, 459312), (48, 449743), (56, 385494), (84, 256996), (94, 229656), (112, 192747), (141, 153104), (168, 128498), (188, 114828), (282, 76552), (329, 65616), (336, 64249), (376, 57414), (564, 38276), (658, 32808), (752, 28707), (987, 21872), (1128, 19138), (1316, 16404), (1367, 15792), (1974, 10936), (2256, 9569), (2632, 8202), (2734, 7896), (3948, 5468), (4101, 5264)]