21103137626

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:643

約数の個数: 64

約数和(自身を含む): 34208563200

約数和(自身を除く): 13105425574

約数列:

[1, 2, 19, 38, 127, 139, 163, 193, 254, 278, 326, 386, 2413, 2641, 3097, 3667, 4826, 5282, 6194, 7334, 17653, 20701, 22657, 24511, 26827, 31459, 35306, 41402, 45314, 49022, 53654, 62918, 335407, 393319, 430483, 465709, 509713, 597721, 670814, 786638, 860966, 931418, 1019426, 1195442, 2877439, 3407029, 3995293, 4372801, 5754878, 6814058, 7990586, 8745602, 54671341, 64733551, 75910567, 83083219, 109342682, 129467102, 151821134, 166166438, 555345727, 1110691454, 10551568813, 21103137626]

約数ペア:

[(1, 21103137626), (2, 10551568813), (19, 1110691454), (38, 555345727), (127, 166166438), (139, 151821134), (163, 129467102), (193, 109342682), (254, 83083219), (278, 75910567), (326, 64733551), (386, 54671341), (2413, 8745602), (2641, 7990586), (3097, 6814058), (3667, 5754878), (4826, 4372801), (5282, 3995293), (6194, 3407029), (7334, 2877439), (17653, 1195442), (20701, 1019426), (22657, 931418), (24511, 860966), (26827, 786638), (31459, 670814), (35306, 597721), (41402, 509713), (45314, 465709), (49022, 430483), (53654, 393319), (62918, 335407)]