21380458848

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{31816159}}^1$

素因数の和:31816179

約数の個数: 48

約数和(自身を含む): 64141378560

約数和(自身を除く): 42760919712

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, 31816159, 63632318, 95448477, 127264636, 190896954, 222713113, 254529272, 381793908, 445426226, 509058544, 668139339, 763587816, 890852452, 1018117088, 1336278678, 1527175632, 1781704904, 2672557356, 3054351264, 3563409808, 5345114712, 7126819616, 10690229424, 21380458848]

約数ペア:

[(1, 21380458848), (2, 10690229424), (3, 7126819616), (4, 5345114712), (6, 3563409808), (7, 3054351264), (8, 2672557356), (12, 1781704904), (14, 1527175632), (16, 1336278678), (21, 1018117088), (24, 890852452), (28, 763587816), (32, 668139339), (42, 509058544), (48, 445426226), (56, 381793908), (84, 254529272), (96, 222713113), (112, 190896954), (168, 127264636), (224, 95448477), (336, 63632318), (672, 31816159)]