21468100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{11299}}^1$

素因数の和:11332

約数の個数: 36

約数和(自身を含む): 49042000

約数和(自身を除く): 27573900

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 11299, 22598, 45196, 56495, 112990, 214681, 225980, 282475, 429362, 564950, 858724, 1073405, 1129900, 2146810, 4293620, 5367025, 10734050, 21468100]

約数ペア:

[(1, 21468100), (2, 10734050), (4, 5367025), (5, 4293620), (10, 2146810), (19, 1129900), (20, 1073405), (25, 858724), (38, 564950), (50, 429362), (76, 282475), (95, 225980), (100, 214681), (190, 112990), (380, 56495), (475, 45196), (950, 22598), (1900, 11299)]