21777288

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{313}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 59082240

約数和(自身を除く): 37304952

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 223, 312, 313, 446, 626, 669, 892, 939, 1252, 1338, 1784, 1878, 2504, 2676, 2899, 3756, 4069, 5352, 5798, 7512, 8138, 8697, 11596, 12207, 16276, 17394, 23192, 24414, 32552, 34788, 48828, 69576, 69799, 97656, 139598, 209397, 279196, 418794, 558392, 837588, 907387, 1675176, 1814774, 2722161, 3629548, 5444322, 7259096, 10888644, 21777288]

約数ペア:

[(1, 21777288), (2, 10888644), (3, 7259096), (4, 5444322), (6, 3629548), (8, 2722161), (12, 1814774), (13, 1675176), (24, 907387), (26, 837588), (39, 558392), (52, 418794), (78, 279196), (104, 209397), (156, 139598), (223, 97656), (312, 69799), (313, 69576), (446, 48828), (626, 34788), (669, 32552), (892, 24414), (939, 23192), (1252, 17394), (1338, 16276), (1784, 12207), (1878, 11596), (2504, 8697), (2676, 8138), (2899, 7512), (3756, 5798), (4069, 5352)]