21861700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31231}}^1$

素因数の和:31252

約数の個数: 36

約数和(自身を含む): 54218752

約数和(自身を除く): 32357052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 31231, 62462, 124924, 156155, 218617, 312310, 437234, 624620, 780775, 874468, 1093085, 1561550, 2186170, 3123100, 4372340, 5465425, 10930850, 21861700]

約数ペア:

[(1, 21861700), (2, 10930850), (4, 5465425), (5, 4372340), (7, 3123100), (10, 2186170), (14, 1561550), (20, 1093085), (25, 874468), (28, 780775), (35, 624620), (50, 437234), (70, 312310), (100, 218617), (140, 156155), (175, 124924), (350, 62462), (700, 31231)]