21030192

素因数分解:

$2^4\times 3^7\times {\mathrm{601}}^1$

素因数の和:630

約数の個数: 80

約数和(自身を含む): 61211360

約数和(自身を除く): 40181168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 432, 486, 601, 648, 729, 972, 1202, 1296, 1458, 1803, 1944, 2187, 2404, 2916, 3606, 3888, 4374, 4808, 5409, 5832, 7212, 8748, 9616, 10818, 11664, 14424, 16227, 17496, 21636, 28848, 32454, 34992, 43272, 48681, 64908, 86544, 97362, 129816, 146043, 194724, 259632, 292086, 389448, 438129, 584172, 778896, 876258, 1168344, 1314387, 1752516, 2336688, 2628774, 3505032, 5257548, 7010064, 10515096, 21030192]

約数ペア:

[(1, 21030192), (2, 10515096), (3, 7010064), (4, 5257548), (6, 3505032), (8, 2628774), (9, 2336688), (12, 1752516), (16, 1314387), (18, 1168344), (24, 876258), (27, 778896), (36, 584172), (48, 438129), (54, 389448), (72, 292086), (81, 259632), (108, 194724), (144, 146043), (162, 129816), (216, 97362), (243, 86544), (324, 64908), (432, 48681), (486, 43272), (601, 34992), (648, 32454), (729, 28848), (972, 21636), (1202, 17496), (1296, 16227), (1458, 14424), (1803, 11664), (1944, 10818), (2187, 9616), (2404, 8748), (2916, 7212), (3606, 5832), (3888, 5409), (4374, 4808)]