21590064

素因数分解:

$2^4\times 3^7\times {\mathrm{617}}^1$

素因数の和:646

約数の個数: 80

約数和(自身を含む): 62838240

約数和(自身を除く): 41248176

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, 617, 648, 729, 972, 1234, 1296, 1458, 1851, 1944, 2187, 2468, 2916, 3702, 3888, 4374, 4936, 5553, 5832, 7404, 8748, 9872, 11106, 11664, 14808, 16659, 17496, 22212, 29616, 33318, 34992, 44424, 49977, 66636, 88848, 99954, 133272, 149931, 199908, 266544, 299862, 399816, 449793, 599724, 799632, 899586, 1199448, 1349379, 1799172, 2398896, 2698758, 3598344, 5397516, 7196688, 10795032, 21590064]

約数ペア:

[(1, 21590064), (2, 10795032), (3, 7196688), (4, 5397516), (6, 3598344), (8, 2698758), (9, 2398896), (12, 1799172), (16, 1349379), (18, 1199448), (24, 899586), (27, 799632), (36, 599724), (48, 449793), (54, 399816), (72, 299862), (81, 266544), (108, 199908), (144, 149931), (162, 133272), (216, 99954), (243, 88848), (324, 66636), (432, 49977), (486, 44424), (617, 34992), (648, 33318), (729, 29616), (972, 22212), (1234, 17496), (1296, 16659), (1458, 14808), (1851, 11664), (1944, 11106), (2187, 9872), (2468, 8748), (2916, 7404), (3702, 5832), (3888, 5553), (4374, 4936)]