21433958

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:213

約数の個数: 64

約数和(自身を含む): 42577920

約数和(自身を除く): 21143962

約数列:

[1, 2, 7, 13, 14, 26, 29, 31, 58, 62, 91, 131, 182, 203, 217, 262, 377, 403, 406, 434, 754, 806, 899, 917, 1703, 1798, 1834, 2639, 2821, 3406, 3799, 4061, 5278, 5642, 6293, 7598, 8122, 11687, 11921, 12586, 23374, 23842, 26593, 28427, 49387, 52793, 53186, 56854, 81809, 98774, 105586, 117769, 163618, 235538, 345709, 369551, 691418, 739102, 824383, 1530997, 1648766, 3061994, 10716979, 21433958]

約数ペア:

[(1, 21433958), (2, 10716979), (7, 3061994), (13, 1648766), (14, 1530997), (26, 824383), (29, 739102), (31, 691418), (58, 369551), (62, 345709), (91, 235538), (131, 163618), (182, 117769), (203, 105586), (217, 98774), (262, 81809), (377, 56854), (403, 53186), (406, 52793), (434, 49387), (754, 28427), (806, 26593), (899, 23842), (917, 23374), (1703, 12586), (1798, 11921), (1834, 11687), (2639, 8122), (2821, 7598), (3406, 6293), (3799, 5642), (4061, 5278)]