21434048

素因数分解:

$2^6\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:225

約数の個数: 56

約数和(自身を含む): 44439840

約数和(自身を除く): 23005792

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 71, 89, 106, 142, 178, 212, 284, 356, 424, 568, 712, 848, 1136, 1424, 1696, 2272, 2848, 3392, 3763, 4544, 4717, 5696, 6319, 7526, 9434, 12638, 15052, 18868, 25276, 30104, 37736, 50552, 60208, 75472, 101104, 120416, 150944, 202208, 240832, 301888, 334907, 404416, 669814, 1339628, 2679256, 5358512, 10717024, 21434048]

約数ペア:

[(1, 21434048), (2, 10717024), (4, 5358512), (8, 2679256), (16, 1339628), (32, 669814), (53, 404416), (64, 334907), (71, 301888), (89, 240832), (106, 202208), (142, 150944), (178, 120416), (212, 101104), (284, 75472), (356, 60208), (424, 50552), (568, 37736), (712, 30104), (848, 25276), (1136, 18868), (1424, 15052), (1696, 12638), (2272, 9434), (2848, 7526), (3392, 6319), (3763, 5696), (4544, 4717)]