21083055832

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{17863}}^1$

素因数の和:18032

約数の個数: 64

約数和(自身を含む): 41878932480

約数和(自身を除く): 20795876648

約数列:

[1, 2, 4, 8, 43, 47, 73, 86, 94, 146, 172, 188, 292, 344, 376, 584, 2021, 3139, 3431, 4042, 6278, 6862, 8084, 12556, 13724, 16168, 17863, 25112, 27448, 35726, 71452, 142904, 147533, 295066, 590132, 768109, 839561, 1180264, 1303999, 1536218, 1679122, 2607998, 3072436, 3358244, 5215996, 6144872, 6716488, 10431992, 36101123, 56071957, 61287953, 72202246, 112143914, 122575906, 144404492, 224287828, 245151812, 288808984, 448575656, 490303624, 2635381979, 5270763958, 10541527916, 21083055832]

約数ペア:

[(1, 21083055832), (2, 10541527916), (4, 5270763958), (8, 2635381979), (43, 490303624), (47, 448575656), (73, 288808984), (86, 245151812), (94, 224287828), (146, 144404492), (172, 122575906), (188, 112143914), (292, 72202246), (344, 61287953), (376, 56071957), (584, 36101123), (2021, 10431992), (3139, 6716488), (3431, 6144872), (4042, 5215996), (6278, 3358244), (6862, 3072436), (8084, 2607998), (12556, 1679122), (13724, 1536218), (16168, 1303999), (17863, 1180264), (25112, 839561), (27448, 768109), (35726, 590132), (71452, 295066), (142904, 147533)]