21097260

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{1447}}^1$

素因数の和:1474

約数の個数: 84

約数和(自身を含む): 66471888

約数和(自身を除く): 45374628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 729, 810, 972, 1215, 1447, 1458, 1620, 2430, 2894, 2916, 3645, 4341, 4860, 5788, 7235, 7290, 8682, 13023, 14470, 14580, 17364, 21705, 26046, 28940, 39069, 43410, 52092, 65115, 78138, 86820, 117207, 130230, 156276, 195345, 234414, 260460, 351621, 390690, 468828, 586035, 703242, 781380, 1054863, 1172070, 1406484, 1758105, 2109726, 2344140, 3516210, 4219452, 5274315, 7032420, 10548630, 21097260]

約数ペア:

[(1, 21097260), (2, 10548630), (3, 7032420), (4, 5274315), (5, 4219452), (6, 3516210), (9, 2344140), (10, 2109726), (12, 1758105), (15, 1406484), (18, 1172070), (20, 1054863), (27, 781380), (30, 703242), (36, 586035), (45, 468828), (54, 390690), (60, 351621), (81, 260460), (90, 234414), (108, 195345), (135, 156276), (162, 130230), (180, 117207), (243, 86820), (270, 78138), (324, 65115), (405, 52092), (486, 43410), (540, 39069), (729, 28940), (810, 26046), (972, 21705), (1215, 17364), (1447, 14580), (1458, 14470), (1620, 13023), (2430, 8682), (2894, 7290), (2916, 7235), (3645, 5788), (4341, 4860)]