21777664

素因数分解:

$2^8\times {\mathrm{97}}^1\times {\mathrm{877}}^1$

素因数の和:990

約数の個数: 36

約数和(自身を含む): 43968484

約数和(自身を除く): 22190820

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 128, 194, 256, 388, 776, 877, 1552, 1754, 3104, 3508, 6208, 7016, 12416, 14032, 24832, 28064, 56128, 85069, 112256, 170138, 224512, 340276, 680552, 1361104, 2722208, 5444416, 10888832, 21777664]

約数ペア:

[(1, 21777664), (2, 10888832), (4, 5444416), (8, 2722208), (16, 1361104), (32, 680552), (64, 340276), (97, 224512), (128, 170138), (194, 112256), (256, 85069), (388, 56128), (776, 28064), (877, 24832), (1552, 14032), (1754, 12416), (3104, 7016), (3508, 6208)]