21717514

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:239

約数の個数: 48

約数和(自身を含む): 41214528

約数和(自身を除く): 19497014

約数列:

[1, 2, 7, 13, 14, 26, 67, 91, 134, 137, 169, 182, 274, 338, 469, 871, 938, 959, 1183, 1742, 1781, 1918, 2366, 3562, 6097, 9179, 11323, 12194, 12467, 18358, 22646, 23153, 24934, 46306, 64253, 79261, 119327, 128506, 158522, 162071, 238654, 324142, 835289, 1551251, 1670578, 3102502, 10858757, 21717514]

約数ペア:

[(1, 21717514), (2, 10858757), (7, 3102502), (13, 1670578), (14, 1551251), (26, 835289), (67, 324142), (91, 238654), (134, 162071), (137, 158522), (169, 128506), (182, 119327), (274, 79261), (338, 64253), (469, 46306), (871, 24934), (938, 23153), (959, 22646), (1183, 18358), (1742, 12467), (1781, 12194), (1918, 11323), (2366, 9179), (3562, 6097)]