21124268

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{911}}^1$

素因数の和:974

約数の個数: 48

約数和(自身を含む): 44126208

約数和(自身を除く): 23001940

約数列:

[1, 2, 4, 11, 17, 22, 31, 34, 44, 62, 68, 124, 187, 341, 374, 527, 682, 748, 911, 1054, 1364, 1822, 2108, 3644, 5797, 10021, 11594, 15487, 20042, 23188, 28241, 30974, 40084, 56482, 61948, 112964, 170357, 310651, 340714, 480097, 621302, 681428, 960194, 1242604, 1920388, 5281067, 10562134, 21124268]

約数ペア:

[(1, 21124268), (2, 10562134), (4, 5281067), (11, 1920388), (17, 1242604), (22, 960194), (31, 681428), (34, 621302), (44, 480097), (62, 340714), (68, 310651), (124, 170357), (187, 112964), (341, 61948), (374, 56482), (527, 40084), (682, 30974), (748, 28241), (911, 23188), (1054, 20042), (1364, 15487), (1822, 11594), (2108, 10021), (3644, 5797)]