21263844

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{29}}^2\times {\mathrm{43}}^1$

素因数の和:122

約数の個数: 108

約数和(自身を含む): 61165104

約数和(自身を除く): 39901260

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 43, 49, 58, 84, 86, 87, 98, 116, 129, 147, 172, 174, 196, 203, 258, 294, 301, 348, 406, 516, 588, 602, 609, 812, 841, 903, 1204, 1218, 1247, 1421, 1682, 1806, 2107, 2436, 2494, 2523, 2842, 3364, 3612, 3741, 4214, 4263, 4988, 5046, 5684, 5887, 6321, 7482, 8428, 8526, 8729, 10092, 11774, 12642, 14964, 17052, 17458, 17661, 23548, 25284, 26187, 34916, 35322, 36163, 41209, 52374, 61103, 70644, 72326, 82418, 104748, 108489, 122206, 123627, 144652, 164836, 183309, 216978, 244412, 247254, 253141, 366618, 433956, 494508, 506282, 733236, 759423, 1012564, 1518846, 1771987, 3037692, 3543974, 5315961, 7087948, 10631922, 21263844]

約数ペア:

[(1, 21263844), (2, 10631922), (3, 7087948), (4, 5315961), (6, 3543974), (7, 3037692), (12, 1771987), (14, 1518846), (21, 1012564), (28, 759423), (29, 733236), (42, 506282), (43, 494508), (49, 433956), (58, 366618), (84, 253141), (86, 247254), (87, 244412), (98, 216978), (116, 183309), (129, 164836), (147, 144652), (172, 123627), (174, 122206), (196, 108489), (203, 104748), (258, 82418), (294, 72326), (301, 70644), (348, 61103), (406, 52374), (516, 41209), (588, 36163), (602, 35322), (609, 34916), (812, 26187), (841, 25284), (903, 23548), (1204, 17661), (1218, 17458), (1247, 17052), (1421, 14964), (1682, 12642), (1806, 11774), (2107, 10092), (2436, 8729), (2494, 8526), (2523, 8428), (2842, 7482), (3364, 6321), (3612, 5887), (3741, 5684), (4214, 5046), (4263, 4988)]