21052024

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 47355840

約数和(自身を除く): 26303816

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 53, 56, 82, 106, 164, 173, 212, 287, 328, 346, 371, 424, 574, 692, 742, 1148, 1211, 1384, 1484, 2173, 2296, 2422, 2968, 4346, 4844, 7093, 8692, 9169, 9688, 14186, 15211, 17384, 18338, 28372, 30422, 36676, 49651, 56744, 60844, 64183, 73352, 99302, 121688, 128366, 198604, 256732, 375929, 397208, 513464, 751858, 1503716, 2631503, 3007432, 5263006, 10526012, 21052024]

約数ペア:

[(1, 21052024), (2, 10526012), (4, 5263006), (7, 3007432), (8, 2631503), (14, 1503716), (28, 751858), (41, 513464), (53, 397208), (56, 375929), (82, 256732), (106, 198604), (164, 128366), (173, 121688), (212, 99302), (287, 73352), (328, 64183), (346, 60844), (371, 56744), (424, 49651), (574, 36676), (692, 30422), (742, 28372), (1148, 18338), (1211, 17384), (1384, 15211), (1484, 14186), (2173, 9688), (2296, 9169), (2422, 8692), (2968, 7093), (4346, 4844)]