21448568

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1933}}^1$

素因数の和:2031

約数の個数: 32

約数和(自身を含む): 42934800

約数和(自身を除く): 21486232

約数列:

[1, 2, 4, 8, 19, 38, 73, 76, 146, 152, 292, 584, 1387, 1933, 2774, 3866, 5548, 7732, 11096, 15464, 36727, 73454, 141109, 146908, 282218, 293816, 564436, 1128872, 2681071, 5362142, 10724284, 21448568]

約数ペア:

[(1, 21448568), (2, 10724284), (4, 5362142), (8, 2681071), (19, 1128872), (38, 564436), (73, 293816), (76, 282218), (146, 146908), (152, 141109), (292, 73454), (584, 36727), (1387, 15464), (1933, 11096), (2774, 7732), (3866, 5548)]