21223048

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 50181120

約数和(自身を除く): 28958072

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 131, 154, 262, 263, 308, 524, 526, 616, 917, 1048, 1052, 1441, 1834, 1841, 2104, 2882, 2893, 3668, 3682, 5764, 5786, 7336, 7364, 10087, 11528, 11572, 14728, 20174, 20251, 23144, 34453, 40348, 40502, 68906, 80696, 81004, 137812, 162008, 241171, 275624, 378983, 482342, 757966, 964684, 1515932, 1929368, 2652881, 3031864, 5305762, 10611524, 21223048]

約数ペア:

[(1, 21223048), (2, 10611524), (4, 5305762), (7, 3031864), (8, 2652881), (11, 1929368), (14, 1515932), (22, 964684), (28, 757966), (44, 482342), (56, 378983), (77, 275624), (88, 241171), (131, 162008), (154, 137812), (262, 81004), (263, 80696), (308, 68906), (524, 40502), (526, 40348), (616, 34453), (917, 23144), (1048, 20251), (1052, 20174), (1441, 14728), (1834, 11572), (1841, 11528), (2104, 10087), (2882, 7364), (2893, 7336), (3668, 5786), (3682, 5764)]