21372246

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{5849}}^1$

素因数の和:5893

約数の個数: 48

約数和(自身を含む): 54756000

約数和(自身を除く): 33383754

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 58, 63, 87, 126, 174, 203, 261, 406, 522, 609, 1218, 1827, 3654, 5849, 11698, 17547, 35094, 40943, 52641, 81886, 105282, 122829, 169621, 245658, 339242, 368487, 508863, 736974, 1017726, 1187347, 1526589, 2374694, 3053178, 3562041, 7124082, 10686123, 21372246]

約数ペア:

[(1, 21372246), (2, 10686123), (3, 7124082), (6, 3562041), (7, 3053178), (9, 2374694), (14, 1526589), (18, 1187347), (21, 1017726), (29, 736974), (42, 508863), (58, 368487), (63, 339242), (87, 245658), (126, 169621), (174, 122829), (203, 105282), (261, 81886), (406, 52641), (522, 40943), (609, 35094), (1218, 17547), (1827, 11698), (3654, 5849)]