21645153088

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{1217}}^1\times {\mathrm{21377}}^1$

素因数の和:22619

約数の個数: 56

約数和(自身を含む): 46296282312

約数和(自身を除く): 24651129224

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 1217, 2434, 4868, 9736, 15821, 19472, 21377, 31642, 38944, 42754, 63284, 77888, 85508, 126568, 171016, 253136, 277901, 342032, 506272, 555802, 684064, 1012544, 1111604, 1368128, 2223208, 4446416, 8892832, 17785664, 26015809, 52031618, 104063236, 208126472, 338205517, 416252944, 676411034, 832505888, 1352822068, 1665011776, 2705644136, 5411288272, 10822576544, 21645153088]

約数ペア:

[(1, 21645153088), (2, 10822576544), (4, 5411288272), (8, 2705644136), (13, 1665011776), (16, 1352822068), (26, 832505888), (32, 676411034), (52, 416252944), (64, 338205517), (104, 208126472), (208, 104063236), (416, 52031618), (832, 26015809), (1217, 17785664), (2434, 8892832), (4868, 4446416), (9736, 2223208), (15821, 1368128), (19472, 1111604), (21377, 1012544), (31642, 684064), (38944, 555802), (42754, 506272), (63284, 342032), (77888, 277901), (85508, 253136), (126568, 171016)]