21858534

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{911}}^1$

素因数の和:993

約数の個数: 48

約数和(自身を含む): 50079744

約数和(自身を除く): 28221210

約数列:

[1, 2, 3, 6, 9, 18, 31, 43, 62, 86, 93, 129, 186, 258, 279, 387, 558, 774, 911, 1333, 1822, 2666, 2733, 3999, 5466, 7998, 8199, 11997, 16398, 23994, 28241, 39173, 56482, 78346, 84723, 117519, 169446, 235038, 254169, 352557, 508338, 705114, 1214363, 2428726, 3643089, 7286178, 10929267, 21858534]

約数ペア:

[(1, 21858534), (2, 10929267), (3, 7286178), (6, 3643089), (9, 2428726), (18, 1214363), (31, 705114), (43, 508338), (62, 352557), (86, 254169), (93, 235038), (129, 169446), (186, 117519), (258, 84723), (279, 78346), (387, 56482), (558, 39173), (774, 28241), (911, 23994), (1333, 16398), (1822, 11997), (2666, 8199), (2733, 7998), (3999, 5466)]