21026088

素因数分解:

$2^3\times 3^3\times {\mathrm{311}}^1\times {\mathrm{313}}^1$

素因数の和:639

約数の個数: 64

約数和(自身を含む): 58780800

約数和(自身を除く): 37754712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 311, 313, 622, 626, 933, 939, 1244, 1252, 1866, 1878, 2488, 2504, 2799, 2817, 3732, 3756, 5598, 5634, 7464, 7512, 8397, 8451, 11196, 11268, 16794, 16902, 22392, 22536, 33588, 33804, 67176, 67608, 97343, 194686, 292029, 389372, 584058, 778744, 876087, 1168116, 1752174, 2336232, 2628261, 3504348, 5256522, 7008696, 10513044, 21026088]

約数ペア:

[(1, 21026088), (2, 10513044), (3, 7008696), (4, 5256522), (6, 3504348), (8, 2628261), (9, 2336232), (12, 1752174), (18, 1168116), (24, 876087), (27, 778744), (36, 584058), (54, 389372), (72, 292029), (108, 194686), (216, 97343), (311, 67608), (313, 67176), (622, 33804), (626, 33588), (933, 22536), (939, 22392), (1244, 16902), (1252, 16794), (1866, 11268), (1878, 11196), (2488, 8451), (2504, 8397), (2799, 7512), (2817, 7464), (3732, 5634), (3756, 5598)]