21655832

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 46569600

約数和(自身を除く): 24913768

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 59, 86, 88, 97, 118, 172, 194, 236, 344, 388, 472, 473, 649, 776, 946, 1067, 1298, 1892, 2134, 2537, 2596, 3784, 4171, 4268, 5074, 5192, 5723, 8342, 8536, 10148, 11446, 16684, 20296, 22892, 27907, 33368, 45784, 45881, 55814, 62953, 91762, 111628, 125906, 183524, 223256, 246089, 251812, 367048, 492178, 503624, 984356, 1968712, 2706979, 5413958, 10827916, 21655832]

約数ペア:

[(1, 21655832), (2, 10827916), (4, 5413958), (8, 2706979), (11, 1968712), (22, 984356), (43, 503624), (44, 492178), (59, 367048), (86, 251812), (88, 246089), (97, 223256), (118, 183524), (172, 125906), (194, 111628), (236, 91762), (344, 62953), (388, 55814), (472, 45881), (473, 45784), (649, 33368), (776, 27907), (946, 22892), (1067, 20296), (1298, 16684), (1892, 11446), (2134, 10148), (2537, 8536), (2596, 8342), (3784, 5723), (4171, 5192), (4268, 5074)]