21789852

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{15259}}^1$

素因数の和:15290

約数の個数: 48

約数和(自身を含む): 61528320

約数和(自身を除く): 39738468

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 15259, 30518, 45777, 61036, 91554, 106813, 183108, 213626, 259403, 320439, 427252, 518806, 640878, 778209, 1037612, 1281756, 1556418, 1815821, 3112836, 3631642, 5447463, 7263284, 10894926, 21789852]

約数ペア:

[(1, 21789852), (2, 10894926), (3, 7263284), (4, 5447463), (6, 3631642), (7, 3112836), (12, 1815821), (14, 1556418), (17, 1281756), (21, 1037612), (28, 778209), (34, 640878), (42, 518806), (51, 427252), (68, 320439), (84, 259403), (102, 213626), (119, 183108), (204, 106813), (238, 91554), (357, 61036), (476, 45777), (714, 30518), (1428, 15259)]