21070518

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{2521}}^1$

素因数の和:2732

約数の個数: 32

約数和(自身を含む): 48422400

約数和(自身を除く): 27351882

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 199, 398, 597, 1194, 1393, 2521, 2786, 4179, 5042, 7563, 8358, 15126, 17647, 35294, 52941, 105882, 501679, 1003358, 1505037, 3010074, 3511753, 7023506, 10535259, 21070518]

約数ペア:

[(1, 21070518), (2, 10535259), (3, 7023506), (6, 3511753), (7, 3010074), (14, 1505037), (21, 1003358), (42, 501679), (199, 105882), (398, 52941), (597, 35294), (1194, 17647), (1393, 15126), (2521, 8358), (2786, 7563), (4179, 5042)]