21467592

素因数分解:

$2^3\times 3^8\times {\mathrm{409}}^1$

素因数の和:439

約数の個数: 72

約数和(自身を含む): 60522150

約数和(自身を除く): 39054558

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 409, 486, 648, 729, 818, 972, 1227, 1458, 1636, 1944, 2187, 2454, 2916, 3272, 3681, 4374, 4908, 5832, 6561, 7362, 8748, 9816, 11043, 13122, 14724, 17496, 22086, 26244, 29448, 33129, 44172, 52488, 66258, 88344, 99387, 132516, 198774, 265032, 298161, 397548, 596322, 795096, 894483, 1192644, 1788966, 2385288, 2683449, 3577932, 5366898, 7155864, 10733796, 21467592]

約数ペア:

[(1, 21467592), (2, 10733796), (3, 7155864), (4, 5366898), (6, 3577932), (8, 2683449), (9, 2385288), (12, 1788966), (18, 1192644), (24, 894483), (27, 795096), (36, 596322), (54, 397548), (72, 298161), (81, 265032), (108, 198774), (162, 132516), (216, 99387), (243, 88344), (324, 66258), (409, 52488), (486, 44172), (648, 33129), (729, 29448), (818, 26244), (972, 22086), (1227, 17496), (1458, 14724), (1636, 13122), (1944, 11043), (2187, 9816), (2454, 8748), (2916, 7362), (3272, 6561), (3681, 5832), (4374, 4908)]