21480648

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4409}}^1$

素因数の和:4454

約数の個数: 64

約数和(自身を含む): 63504000

約数和(自身を除く): 42023352

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 29, 42, 56, 58, 84, 87, 116, 168, 174, 203, 232, 348, 406, 609, 696, 812, 1218, 1624, 2436, 4409, 4872, 8818, 13227, 17636, 26454, 30863, 35272, 52908, 61726, 92589, 105816, 123452, 127861, 185178, 246904, 255722, 370356, 383583, 511444, 740712, 767166, 895027, 1022888, 1534332, 1790054, 2685081, 3068664, 3580108, 5370162, 7160216, 10740324, 21480648]

約数ペア:

[(1, 21480648), (2, 10740324), (3, 7160216), (4, 5370162), (6, 3580108), (7, 3068664), (8, 2685081), (12, 1790054), (14, 1534332), (21, 1022888), (24, 895027), (28, 767166), (29, 740712), (42, 511444), (56, 383583), (58, 370356), (84, 255722), (87, 246904), (116, 185178), (168, 127861), (174, 123452), (203, 105816), (232, 92589), (348, 61726), (406, 52908), (609, 35272), (696, 30863), (812, 26454), (1218, 17636), (1624, 13227), (2436, 8818), (4409, 4872)]