21857659318

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{9137}}^1$

素因数の和:9325

約数の個数: 64

約数和(自身を含む): 38686636800

約数和(自身を除く): 16828977482

約数列:

[1, 2, 11, 19, 22, 38, 59, 97, 118, 194, 209, 418, 649, 1067, 1121, 1298, 1843, 2134, 2242, 3686, 5723, 9137, 11446, 12331, 18274, 20273, 24662, 40546, 62953, 100507, 108737, 125906, 173603, 201014, 217474, 347206, 539083, 886289, 1078166, 1196107, 1772578, 1909633, 2392214, 3819266, 5929913, 9749179, 10242577, 11859826, 16839491, 19498358, 20485154, 33678982, 52291051, 104582102, 112668347, 185234401, 225336694, 370468802, 575201561, 993529969, 1150403122, 1987059938, 10928829659, 21857659318]

約数ペア:

[(1, 21857659318), (2, 10928829659), (11, 1987059938), (19, 1150403122), (22, 993529969), (38, 575201561), (59, 370468802), (97, 225336694), (118, 185234401), (194, 112668347), (209, 104582102), (418, 52291051), (649, 33678982), (1067, 20485154), (1121, 19498358), (1298, 16839491), (1843, 11859826), (2134, 10242577), (2242, 9749179), (3686, 5929913), (5723, 3819266), (9137, 2392214), (11446, 1909633), (12331, 1772578), (18274, 1196107), (20273, 1078166), (24662, 886289), (40546, 539083), (62953, 347206), (100507, 217474), (108737, 201014), (125906, 173603)]