21916849486

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{12241}}^1$

素因数の和:12449

約数の個数: 64

約数和(自身を含む): 40616017920

約数和(自身を除く): 18699168434

約数列:

[1, 2, 7, 14, 19, 38, 53, 106, 127, 133, 254, 266, 371, 742, 889, 1007, 1778, 2014, 2413, 4826, 6731, 7049, 12241, 13462, 14098, 16891, 24482, 33782, 47117, 85687, 94234, 127889, 171374, 232579, 255778, 465158, 648773, 895223, 1297546, 1554607, 1628053, 1790446, 3109214, 3256106, 4541411, 9082822, 10882249, 12326687, 21764498, 24653374, 29537533, 59075066, 82394171, 86286809, 164788342, 172573618, 206762731, 413525462, 576759197, 1153518394, 1565489249, 3130978498, 10958424743, 21916849486]

約数ペア:

[(1, 21916849486), (2, 10958424743), (7, 3130978498), (14, 1565489249), (19, 1153518394), (38, 576759197), (53, 413525462), (106, 206762731), (127, 172573618), (133, 164788342), (254, 86286809), (266, 82394171), (371, 59075066), (742, 29537533), (889, 24653374), (1007, 21764498), (1778, 12326687), (2014, 10882249), (2413, 9082822), (4826, 4541411), (6731, 3256106), (7049, 3109214), (12241, 1790446), (13462, 1628053), (14098, 1554607), (16891, 1297546), (24482, 895223), (33782, 648773), (47117, 465158), (85687, 255778), (94234, 232579), (127889, 171374)]