21076172271

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2953}}^1\times {\mathrm{3433}}^1$

素因数の和:6413

約数の個数: 64

約数和(自身を含む): 38953098240

約数和(自身を除く): 17876925969

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 2953, 3433, 8859, 10299, 20671, 24031, 26577, 30897, 32483, 37763, 62013, 72093, 79731, 92691, 97449, 113289, 186039, 216279, 227381, 264341, 292347, 339867, 558117, 648837, 682143, 793023, 877041, 1019601, 2046429, 2379069, 6139287, 7137207, 10137649, 30412947, 70963543, 91238841, 111514139, 212890629, 273716523, 334542417, 638671887, 780598973, 1003627251, 1916015661, 2341796919, 3010881753, 7025390757, 21076172271]

約数ペア:

[(1, 21076172271), (3, 7025390757), (7, 3010881753), (9, 2341796919), (11, 1916015661), (21, 1003627251), (27, 780598973), (33, 638671887), (63, 334542417), (77, 273716523), (99, 212890629), (189, 111514139), (231, 91238841), (297, 70963543), (693, 30412947), (2079, 10137649), (2953, 7137207), (3433, 6139287), (8859, 2379069), (10299, 2046429), (20671, 1019601), (24031, 877041), (26577, 793023), (30897, 682143), (32483, 648837), (37763, 558117), (62013, 339867), (72093, 292347), (79731, 264341), (92691, 227381), (97449, 216279), (113289, 186039)]