21794816

素因数分解:

$2^{12}\times {\mathrm{17}}^1\times {\mathrm{313}}^1$

素因数の和:354

約数の個数: 52

約数和(自身を含む): 46295532

約数和(自身を除く): 24500716

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 313, 512, 544, 626, 1024, 1088, 1252, 2048, 2176, 2504, 4096, 4352, 5008, 5321, 8704, 10016, 10642, 17408, 20032, 21284, 34816, 40064, 42568, 69632, 80128, 85136, 160256, 170272, 320512, 340544, 641024, 681088, 1282048, 1362176, 2724352, 5448704, 10897408, 21794816]

約数ペア:

[(1, 21794816), (2, 10897408), (4, 5448704), (8, 2724352), (16, 1362176), (17, 1282048), (32, 681088), (34, 641024), (64, 340544), (68, 320512), (128, 170272), (136, 160256), (256, 85136), (272, 80128), (313, 69632), (512, 42568), (544, 40064), (626, 34816), (1024, 21284), (1088, 20032), (1252, 17408), (2048, 10642), (2176, 10016), (2504, 8704), (4096, 5321), (4352, 5008)]