21864544

素因数分解:

$2^5\times {\mathrm{13}}^3\times {\mathrm{311}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 46781280

約数和(自身を除く): 24916736

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 311, 338, 416, 622, 676, 1244, 1352, 2197, 2488, 2704, 4043, 4394, 4976, 5408, 8086, 8788, 9952, 16172, 17576, 32344, 35152, 52559, 64688, 70304, 105118, 129376, 210236, 420472, 683267, 840944, 1366534, 1681888, 2733068, 5466136, 10932272, 21864544]

約数ペア:

[(1, 21864544), (2, 10932272), (4, 5466136), (8, 2733068), (13, 1681888), (16, 1366534), (26, 840944), (32, 683267), (52, 420472), (104, 210236), (169, 129376), (208, 105118), (311, 70304), (338, 64688), (416, 52559), (622, 35152), (676, 32344), (1244, 17576), (1352, 16172), (2197, 9952), (2488, 8788), (2704, 8086), (4043, 5408), (4394, 4976)]