21092032

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:377

約数の個数: 56

約数和(自身を含む): 45701712

約数和(自身を除く): 24609680

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 101, 104, 202, 208, 251, 404, 416, 502, 808, 832, 1004, 1313, 1616, 2008, 2626, 3232, 3263, 4016, 5252, 6464, 6526, 8032, 10504, 13052, 16064, 21008, 25351, 26104, 42016, 50702, 52208, 84032, 101404, 104416, 202808, 208832, 329563, 405616, 659126, 811232, 1318252, 1622464, 2636504, 5273008, 10546016, 21092032]

約数ペア:

[(1, 21092032), (2, 10546016), (4, 5273008), (8, 2636504), (13, 1622464), (16, 1318252), (26, 811232), (32, 659126), (52, 405616), (64, 329563), (101, 208832), (104, 202808), (202, 104416), (208, 101404), (251, 84032), (404, 52208), (416, 50702), (502, 42016), (808, 26104), (832, 25351), (1004, 21008), (1313, 16064), (1616, 13052), (2008, 10504), (2626, 8032), (3232, 6526), (3263, 6464), (4016, 5252)]