21519576

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{277}}^1$

素因数の和:385

約数の個数: 96

約数和(自身を含む): 63750960

約数和(自身を除く): 42231384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 83, 104, 117, 156, 166, 234, 249, 277, 312, 332, 468, 498, 554, 664, 747, 831, 936, 996, 1079, 1108, 1494, 1662, 1992, 2158, 2216, 2493, 2988, 3237, 3324, 3601, 4316, 4986, 5976, 6474, 6648, 7202, 8632, 9711, 9972, 10803, 12948, 14404, 19422, 19944, 21606, 22991, 25896, 28808, 32409, 38844, 43212, 45982, 64818, 68973, 77688, 86424, 91964, 129636, 137946, 183928, 206919, 259272, 275892, 298883, 413838, 551784, 597766, 827676, 896649, 1195532, 1655352, 1793298, 2391064, 2689947, 3586596, 5379894, 7173192, 10759788, 21519576]

約数ペア:

[(1, 21519576), (2, 10759788), (3, 7173192), (4, 5379894), (6, 3586596), (8, 2689947), (9, 2391064), (12, 1793298), (13, 1655352), (18, 1195532), (24, 896649), (26, 827676), (36, 597766), (39, 551784), (52, 413838), (72, 298883), (78, 275892), (83, 259272), (104, 206919), (117, 183928), (156, 137946), (166, 129636), (234, 91964), (249, 86424), (277, 77688), (312, 68973), (332, 64818), (468, 45982), (498, 43212), (554, 38844), (664, 32409), (747, 28808), (831, 25896), (936, 22991), (996, 21606), (1079, 19944), (1108, 19422), (1494, 14404), (1662, 12948), (1992, 10803), (2158, 9972), (2216, 9711), (2493, 8632), (2988, 7202), (3237, 6648), (3324, 6474), (3601, 5976), (4316, 4986)]