21217056

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{31573}}^1$

素因数の和:31593

約数の個数: 48

約数和(自身を含む): 63653184

約数和(自身を除く): 42436128

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 31573, 63146, 94719, 126292, 189438, 221011, 252584, 378876, 442022, 505168, 663033, 757752, 884044, 1010336, 1326066, 1515504, 1768088, 2652132, 3031008, 3536176, 5304264, 7072352, 10608528, 21217056]

約数ペア:

[(1, 21217056), (2, 10608528), (3, 7072352), (4, 5304264), (6, 3536176), (7, 3031008), (8, 2652132), (12, 1768088), (14, 1515504), (16, 1326066), (21, 1010336), (24, 884044), (28, 757752), (32, 663033), (42, 505168), (48, 442022), (56, 378876), (84, 252584), (96, 221011), (112, 189438), (168, 126292), (224, 94719), (336, 63146), (672, 31573)]