21538524

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{15083}}^1$

素因数の和:15114

約数の個数: 48

約数和(自身を含む): 60818688

約数和(自身を除く): 39280164

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, 15083, 30166, 45249, 60332, 90498, 105581, 180996, 211162, 256411, 316743, 422324, 512822, 633486, 769233, 1025644, 1266972, 1538466, 1794877, 3076932, 3589754, 5384631, 7179508, 10769262, 21538524]

約数ペア:

[(1, 21538524), (2, 10769262), (3, 7179508), (4, 5384631), (6, 3589754), (7, 3076932), (12, 1794877), (14, 1538466), (17, 1266972), (21, 1025644), (28, 769233), (34, 633486), (42, 512822), (51, 422324), (68, 316743), (84, 256411), (102, 211162), (119, 180996), (204, 105581), (238, 90498), (357, 60332), (476, 45249), (714, 30166), (1428, 15083)]