21265244

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:195

約数の個数: 96

約数和(自身を含む): 51480576

約数和(自身を除く): 30215332

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 47, 52, 77, 91, 94, 113, 143, 154, 182, 188, 226, 286, 308, 329, 364, 452, 517, 572, 611, 658, 791, 1001, 1034, 1222, 1243, 1316, 1469, 1582, 2002, 2068, 2444, 2486, 2938, 3164, 3619, 4004, 4277, 4972, 5311, 5876, 6721, 7238, 8554, 8701, 10283, 10622, 13442, 14476, 16159, 17108, 17402, 20566, 21244, 26884, 32318, 34804, 37177, 41132, 47047, 58421, 64636, 69043, 74354, 94094, 113113, 116842, 138086, 148708, 188188, 226226, 233684, 276172, 408947, 452452, 483301, 759473, 817894, 966602, 1518946, 1635788, 1933204, 3037892, 5316311, 10632622, 21265244]

約数ペア:

[(1, 21265244), (2, 10632622), (4, 5316311), (7, 3037892), (11, 1933204), (13, 1635788), (14, 1518946), (22, 966602), (26, 817894), (28, 759473), (44, 483301), (47, 452452), (52, 408947), (77, 276172), (91, 233684), (94, 226226), (113, 188188), (143, 148708), (154, 138086), (182, 116842), (188, 113113), (226, 94094), (286, 74354), (308, 69043), (329, 64636), (364, 58421), (452, 47047), (517, 41132), (572, 37177), (611, 34804), (658, 32318), (791, 26884), (1001, 21244), (1034, 20566), (1222, 17402), (1243, 17108), (1316, 16159), (1469, 14476), (1582, 13442), (2002, 10622), (2068, 10283), (2444, 8701), (2486, 8554), (2938, 7238), (3164, 6721), (3619, 5876), (4004, 5311), (4277, 4972)]