21618594

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:152

約数の個数: 96

約数和(自身を含む): 53374464

約数和(自身を除く): 31755870

約数列:

[1, 2, 3, 6, 9, 17, 18, 31, 34, 43, 51, 53, 62, 86, 93, 102, 106, 129, 153, 159, 186, 258, 279, 306, 318, 387, 477, 527, 558, 731, 774, 901, 954, 1054, 1333, 1462, 1581, 1643, 1802, 2193, 2279, 2666, 2703, 3162, 3286, 3999, 4386, 4558, 4743, 4929, 5406, 6579, 6837, 7998, 8109, 9486, 9858, 11997, 13158, 13674, 14787, 16218, 20511, 22661, 23994, 27931, 29574, 38743, 41022, 45322, 55862, 67983, 70649, 77486, 83793, 116229, 135966, 141298, 167586, 203949, 211947, 232458, 251379, 348687, 407898, 423894, 502758, 635841, 697374, 1201033, 1271682, 2402066, 3603099, 7206198, 10809297, 21618594]

約数ペア:

[(1, 21618594), (2, 10809297), (3, 7206198), (6, 3603099), (9, 2402066), (17, 1271682), (18, 1201033), (31, 697374), (34, 635841), (43, 502758), (51, 423894), (53, 407898), (62, 348687), (86, 251379), (93, 232458), (102, 211947), (106, 203949), (129, 167586), (153, 141298), (159, 135966), (186, 116229), (258, 83793), (279, 77486), (306, 70649), (318, 67983), (387, 55862), (477, 45322), (527, 41022), (558, 38743), (731, 29574), (774, 27931), (901, 23994), (954, 22661), (1054, 20511), (1333, 16218), (1462, 14787), (1581, 13674), (1643, 13158), (1802, 11997), (2193, 9858), (2279, 9486), (2666, 8109), (2703, 7998), (3162, 6837), (3286, 6579), (3999, 5406), (4386, 4929), (4558, 4743)]