21331128

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9767}}^1$

素因数の和:9796

約数の個数: 64

約数和(自身を含む): 65640960

約数和(自身を除く): 44309832

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 546, 728, 1092, 2184, 9767, 19534, 29301, 39068, 58602, 68369, 78136, 117204, 126971, 136738, 205107, 234408, 253942, 273476, 380913, 410214, 507884, 546952, 761826, 820428, 888797, 1015768, 1523652, 1640856, 1777594, 2666391, 3047304, 3555188, 5332782, 7110376, 10665564, 21331128]

約数ペア:

[(1, 21331128), (2, 10665564), (3, 7110376), (4, 5332782), (6, 3555188), (7, 3047304), (8, 2666391), (12, 1777594), (13, 1640856), (14, 1523652), (21, 1015768), (24, 888797), (26, 820428), (28, 761826), (39, 546952), (42, 507884), (52, 410214), (56, 380913), (78, 273476), (84, 253942), (91, 234408), (104, 205107), (156, 136738), (168, 126971), (182, 117204), (273, 78136), (312, 68369), (364, 58602), (546, 39068), (728, 29301), (1092, 19534), (2184, 9767)]