211421016

素因数分解:

$2^3\times 3^4\times {\mathrm{431}}^1\times {\mathrm{757}}^1$

素因数の和:1206

約数の個数: 80

約数和(自身を含む): 594332640

約数和(自身を除く): 382911624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 431, 648, 757, 862, 1293, 1514, 1724, 2271, 2586, 3028, 3448, 3879, 4542, 5172, 6056, 6813, 7758, 9084, 10344, 11637, 13626, 15516, 18168, 20439, 23274, 27252, 31032, 34911, 40878, 46548, 54504, 61317, 69822, 81756, 93096, 122634, 139644, 163512, 245268, 279288, 326267, 490536, 652534, 978801, 1305068, 1957602, 2610136, 2936403, 3915204, 5872806, 7830408, 8809209, 11745612, 17618418, 23491224, 26427627, 35236836, 52855254, 70473672, 105710508, 211421016]

約数ペア:

[(1, 211421016), (2, 105710508), (3, 70473672), (4, 52855254), (6, 35236836), (8, 26427627), (9, 23491224), (12, 17618418), (18, 11745612), (24, 8809209), (27, 7830408), (36, 5872806), (54, 3915204), (72, 2936403), (81, 2610136), (108, 1957602), (162, 1305068), (216, 978801), (324, 652534), (431, 490536), (648, 326267), (757, 279288), (862, 245268), (1293, 163512), (1514, 139644), (1724, 122634), (2271, 93096), (2586, 81756), (3028, 69822), (3448, 61317), (3879, 54504), (4542, 46548), (5172, 40878), (6056, 34911), (6813, 31032), (7758, 27252), (9084, 23274), (10344, 20439), (11637, 18168), (13626, 15516)]