21576688

素因数分解:

$2^4\times 7^1\times {\mathrm{383}}^1\times {\mathrm{503}}^1$

素因数の和:901

約数の個数: 40

約数和(自身を含む): 47996928

約数和(自身を除く): 26420240

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 383, 503, 766, 1006, 1532, 2012, 2681, 3064, 3521, 4024, 5362, 6128, 7042, 8048, 10724, 14084, 21448, 28168, 42896, 56336, 192649, 385298, 770596, 1348543, 1541192, 2697086, 3082384, 5394172, 10788344, 21576688]

約数ペア:

[(1, 21576688), (2, 10788344), (4, 5394172), (7, 3082384), (8, 2697086), (14, 1541192), (16, 1348543), (28, 770596), (56, 385298), (112, 192649), (383, 56336), (503, 42896), (766, 28168), (1006, 21448), (1532, 14084), (2012, 10724), (2681, 8048), (3064, 7042), (3521, 6128), (4024, 5362)]