21555282

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{2579}}^1$

素因数の和:2790

約数の個数: 32

約数和(自身を含む): 49536000

約数和(自身を除く): 27980718

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 199, 398, 597, 1194, 1393, 2579, 2786, 4179, 5158, 7737, 8358, 15474, 18053, 36106, 54159, 108318, 513221, 1026442, 1539663, 3079326, 3592547, 7185094, 10777641, 21555282]

約数ペア:

[(1, 21555282), (2, 10777641), (3, 7185094), (6, 3592547), (7, 3079326), (14, 1539663), (21, 1026442), (42, 513221), (199, 108318), (398, 54159), (597, 36106), (1194, 18053), (1393, 15474), (2579, 8358), (2786, 7737), (4179, 5158)]