21420618

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{401}}^1$

素因数の和:742

約数の個数: 32

約数和(自身を含む): 44573760

約数和(自身を除く): 23153142

約数列:

[1, 2, 3, 6, 29, 58, 87, 174, 307, 401, 614, 802, 921, 1203, 1842, 2406, 8903, 11629, 17806, 23258, 26709, 34887, 53418, 69774, 123107, 246214, 369321, 738642, 3570103, 7140206, 10710309, 21420618]

約数ペア:

[(1, 21420618), (2, 10710309), (3, 7140206), (6, 3570103), (29, 738642), (58, 369321), (87, 246214), (174, 123107), (307, 69774), (401, 53418), (614, 34887), (802, 26709), (921, 23258), (1203, 17806), (1842, 11629), (2406, 8903)]