21107784

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1129}}^1$

素因数の和:1198

約数の個数: 64

約数和(自身を含む): 56952000

約数和(自身を除く): 35844216

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 41, 57, 76, 82, 114, 123, 152, 164, 228, 246, 328, 456, 492, 779, 984, 1129, 1558, 2258, 2337, 3116, 3387, 4516, 4674, 6232, 6774, 9032, 9348, 13548, 18696, 21451, 27096, 42902, 46289, 64353, 85804, 92578, 128706, 138867, 171608, 185156, 257412, 277734, 370312, 514824, 555468, 879491, 1110936, 1758982, 2638473, 3517964, 5276946, 7035928, 10553892, 21107784]

約数ペア:

[(1, 21107784), (2, 10553892), (3, 7035928), (4, 5276946), (6, 3517964), (8, 2638473), (12, 1758982), (19, 1110936), (24, 879491), (38, 555468), (41, 514824), (57, 370312), (76, 277734), (82, 257412), (114, 185156), (123, 171608), (152, 138867), (164, 128706), (228, 92578), (246, 85804), (328, 64353), (456, 46289), (492, 42902), (779, 27096), (984, 21451), (1129, 18696), (1558, 13548), (2258, 9348), (2337, 9032), (3116, 6774), (3387, 6232), (4516, 4674)]