21596416

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{2909}}^1$

素因数の和:2954

約数の個数: 36

約数和(自身を含む): 44610300

約数和(自身を除く): 23013884

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 256, 464, 928, 1856, 2909, 3712, 5818, 7424, 11636, 23272, 46544, 84361, 93088, 168722, 186176, 337444, 372352, 674888, 744704, 1349776, 2699552, 5399104, 10798208, 21596416]

約数ペア:

[(1, 21596416), (2, 10798208), (4, 5399104), (8, 2699552), (16, 1349776), (29, 744704), (32, 674888), (58, 372352), (64, 337444), (116, 186176), (128, 168722), (232, 93088), (256, 84361), (464, 46544), (928, 23272), (1856, 11636), (2909, 7424), (3712, 5818)]