21534184

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 48263040

約数和(自身を除く): 26728856

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 83, 113, 164, 166, 226, 287, 328, 332, 452, 574, 581, 664, 791, 904, 1148, 1162, 1582, 2296, 2324, 3164, 3403, 4633, 4648, 6328, 6806, 9266, 9379, 13612, 18532, 18758, 23821, 27224, 32431, 37064, 37516, 47642, 64862, 65653, 75032, 95284, 129724, 131306, 190568, 259448, 262612, 384539, 525224, 769078, 1538156, 2691773, 3076312, 5383546, 10767092, 21534184]

約数ペア:

[(1, 21534184), (2, 10767092), (4, 5383546), (7, 3076312), (8, 2691773), (14, 1538156), (28, 769078), (41, 525224), (56, 384539), (82, 262612), (83, 259448), (113, 190568), (164, 131306), (166, 129724), (226, 95284), (287, 75032), (328, 65653), (332, 64862), (452, 47642), (574, 37516), (581, 37064), (664, 32431), (791, 27224), (904, 23821), (1148, 18758), (1162, 18532), (1582, 13612), (2296, 9379), (2324, 9266), (3164, 6806), (3403, 6328), (4633, 4648)]