21496600

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{5657}}^1$

素因数の和:5692

約数の個数: 48

約数和(自身を含む): 52619400

約数和(自身を除く): 31122800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 5657, 11314, 22628, 28285, 45256, 56570, 107483, 113140, 141425, 214966, 226280, 282850, 429932, 537415, 565700, 859864, 1074830, 1131400, 2149660, 2687075, 4299320, 5374150, 10748300, 21496600]

約数ペア:

[(1, 21496600), (2, 10748300), (4, 5374150), (5, 4299320), (8, 2687075), (10, 2149660), (19, 1131400), (20, 1074830), (25, 859864), (38, 565700), (40, 537415), (50, 429932), (76, 282850), (95, 226280), (100, 214966), (152, 141425), (190, 113140), (200, 107483), (380, 56570), (475, 45256), (760, 28285), (950, 22628), (1900, 11314), (3800, 5657)]