21444336

素因数分解:

$2^4\times 3^2\times {\mathrm{137}}^1\times {\mathrm{1087}}^1$

素因数の和:1238

約数の個数: 60

約数和(自身を含む): 60508032

約数和(自身を除く): 39063696

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 137, 144, 274, 411, 548, 822, 1087, 1096, 1233, 1644, 2174, 2192, 2466, 3261, 3288, 4348, 4932, 6522, 6576, 8696, 9783, 9864, 13044, 17392, 19566, 19728, 26088, 39132, 52176, 78264, 148919, 156528, 297838, 446757, 595676, 893514, 1191352, 1340271, 1787028, 2382704, 2680542, 3574056, 5361084, 7148112, 10722168, 21444336]

約数ペア:

[(1, 21444336), (2, 10722168), (3, 7148112), (4, 5361084), (6, 3574056), (8, 2680542), (9, 2382704), (12, 1787028), (16, 1340271), (18, 1191352), (24, 893514), (36, 595676), (48, 446757), (72, 297838), (137, 156528), (144, 148919), (274, 78264), (411, 52176), (548, 39132), (822, 26088), (1087, 19728), (1096, 19566), (1233, 17392), (1644, 13044), (2174, 9864), (2192, 9783), (2466, 8696), (3261, 6576), (3288, 6522), (4348, 4932)]