21003616

素因数分解:

$2^5\times {\mathrm{31}}^2\times {\mathrm{683}}^1$

素因数の和:755

約数の個数: 36

約数和(自身を含む): 42790356

約数和(自身を除く): 21786740

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 683, 961, 992, 1366, 1922, 2732, 3844, 5464, 7688, 10928, 15376, 21173, 21856, 30752, 42346, 84692, 169384, 338768, 656363, 677536, 1312726, 2625452, 5250904, 10501808, 21003616]

約数ペア:

[(1, 21003616), (2, 10501808), (4, 5250904), (8, 2625452), (16, 1312726), (31, 677536), (32, 656363), (62, 338768), (124, 169384), (248, 84692), (496, 42346), (683, 30752), (961, 21856), (992, 21173), (1366, 15376), (1922, 10928), (2732, 7688), (3844, 5464)]