21739788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{86269}}^1$

素因数の和:86286

約数の個数: 36

約数和(自身を含む): 62804560

約数和(自身を除く): 41064772

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 86269, 172538, 258807, 345076, 517614, 603883, 776421, 1035228, 1207766, 1552842, 1811649, 2415532, 3105684, 3623298, 5434947, 7246596, 10869894, 21739788]

約数ペア:

[(1, 21739788), (2, 10869894), (3, 7246596), (4, 5434947), (6, 3623298), (7, 3105684), (9, 2415532), (12, 1811649), (14, 1552842), (18, 1207766), (21, 1035228), (28, 776421), (36, 603883), (42, 517614), (63, 345076), (84, 258807), (126, 172538), (252, 86269)]