21093552

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^2\times {\mathrm{107}}^1$

素因数の和:195

約数の個数: 90

約数和(自身を含む): 61238268

約数和(自身を除く): 40144716

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 48, 72, 74, 107, 111, 144, 148, 214, 222, 296, 321, 333, 428, 444, 592, 642, 666, 856, 888, 963, 1284, 1332, 1369, 1712, 1776, 1926, 2568, 2664, 2738, 3852, 3959, 4107, 5136, 5328, 5476, 7704, 7918, 8214, 10952, 11877, 12321, 15408, 15836, 16428, 21904, 23754, 24642, 31672, 32856, 35631, 47508, 49284, 63344, 65712, 71262, 95016, 98568, 142524, 146483, 190032, 197136, 285048, 292966, 439449, 570096, 585932, 878898, 1171864, 1318347, 1757796, 2343728, 2636694, 3515592, 5273388, 7031184, 10546776, 21093552]

約数ペア:

[(1, 21093552), (2, 10546776), (3, 7031184), (4, 5273388), (6, 3515592), (8, 2636694), (9, 2343728), (12, 1757796), (16, 1318347), (18, 1171864), (24, 878898), (36, 585932), (37, 570096), (48, 439449), (72, 292966), (74, 285048), (107, 197136), (111, 190032), (144, 146483), (148, 142524), (214, 98568), (222, 95016), (296, 71262), (321, 65712), (333, 63344), (428, 49284), (444, 47508), (592, 35631), (642, 32856), (666, 31672), (856, 24642), (888, 23754), (963, 21904), (1284, 16428), (1332, 15836), (1369, 15408), (1712, 12321), (1776, 11877), (1926, 10952), (2568, 8214), (2664, 7918), (2738, 7704), (3852, 5476), (3959, 5328), (4107, 5136)]