21544252

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{4231}}^1$

素因数の和:4321

約数の個数: 24

約数和(自身を含む): 40288640

約数和(自身を除く): 18744388

約数列:

[1, 2, 4, 19, 38, 67, 76, 134, 268, 1273, 2546, 4231, 5092, 8462, 16924, 80389, 160778, 283477, 321556, 566954, 1133908, 5386063, 10772126, 21544252]

約数ペア:

[(1, 21544252), (2, 10772126), (4, 5386063), (19, 1133908), (38, 566954), (67, 321556), (76, 283477), (134, 160778), (268, 80389), (1273, 16924), (2546, 8462), (4231, 5092)]