21159894

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{967}}^1$

素因数の和:1500

約数の個数: 32

約数和(自身を含む): 48508416

約数和(自身を除く): 27348522

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 521, 967, 1042, 1563, 1934, 2901, 3126, 3647, 5802, 6769, 7294, 10941, 13538, 20307, 21882, 40614, 503807, 1007614, 1511421, 3022842, 3526649, 7053298, 10579947, 21159894]

約数ペア:

[(1, 21159894), (2, 10579947), (3, 7053298), (6, 3526649), (7, 3022842), (14, 1511421), (21, 1007614), (42, 503807), (521, 40614), (967, 21882), (1042, 20307), (1563, 13538), (1934, 10941), (2901, 7294), (3126, 6769), (3647, 5802)]