21154824

素因数分解:

$2^3\times 3^3\times {\mathrm{37}}^1\times {\mathrm{2647}}^1$

素因数の和:2699

約数の個数: 64

約数和(自身を含む): 60374400

約数和(自身を除く): 39219576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 37, 54, 72, 74, 108, 111, 148, 216, 222, 296, 333, 444, 666, 888, 999, 1332, 1998, 2647, 2664, 3996, 5294, 7941, 7992, 10588, 15882, 21176, 23823, 31764, 47646, 63528, 71469, 95292, 97939, 142938, 190584, 195878, 285876, 293817, 391756, 571752, 587634, 783512, 881451, 1175268, 1762902, 2350536, 2644353, 3525804, 5288706, 7051608, 10577412, 21154824]

約数ペア:

[(1, 21154824), (2, 10577412), (3, 7051608), (4, 5288706), (6, 3525804), (8, 2644353), (9, 2350536), (12, 1762902), (18, 1175268), (24, 881451), (27, 783512), (36, 587634), (37, 571752), (54, 391756), (72, 293817), (74, 285876), (108, 195878), (111, 190584), (148, 142938), (216, 97939), (222, 95292), (296, 71469), (333, 63528), (444, 47646), (666, 31764), (888, 23823), (999, 21176), (1332, 15882), (1998, 10588), (2647, 7992), (2664, 7941), (3996, 5294)]