21042532

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{44207}}^1$

素因数の和:44235

約数の個数: 24

約数和(自身を含む): 44561664

約数和(自身を除く): 23519132

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 44207, 88414, 176828, 309449, 618898, 751519, 1237796, 1503038, 3006076, 5260633, 10521266, 21042532]

約数ペア:

[(1, 21042532), (2, 10521266), (4, 5260633), (7, 3006076), (14, 1503038), (17, 1237796), (28, 751519), (34, 618898), (68, 309449), (119, 176828), (238, 88414), (476, 44207)]