21423944

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{8291}}^1$

素因数の和:8333

約数の個数: 32

約数和(自身を含む): 44776800

約数和(自身を除く): 23352856

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 8291, 16582, 33164, 66328, 140947, 157529, 281894, 315058, 563788, 630116, 1127576, 1260232, 2677993, 5355986, 10711972, 21423944]

約数ペア:

[(1, 21423944), (2, 10711972), (4, 5355986), (8, 2677993), (17, 1260232), (19, 1127576), (34, 630116), (38, 563788), (68, 315058), (76, 281894), (136, 157529), (152, 140947), (323, 66328), (646, 33164), (1292, 16582), (2584, 8291)]