21099762

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{487}}^1$

素因数の和:607

約数の個数: 48

約数和(自身を含む): 47960640

約数和(自身を除く): 26860878

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 83, 87, 166, 174, 249, 261, 487, 498, 522, 747, 974, 1461, 1494, 2407, 2922, 4383, 4814, 7221, 8766, 14123, 14442, 21663, 28246, 40421, 42369, 43326, 80842, 84738, 121263, 127107, 242526, 254214, 363789, 727578, 1172209, 2344418, 3516627, 7033254, 10549881, 21099762]

約数ペア:

[(1, 21099762), (2, 10549881), (3, 7033254), (6, 3516627), (9, 2344418), (18, 1172209), (29, 727578), (58, 363789), (83, 254214), (87, 242526), (166, 127107), (174, 121263), (249, 84738), (261, 80842), (487, 43326), (498, 42369), (522, 40421), (747, 28246), (974, 21663), (1461, 14442), (1494, 14123), (2407, 8766), (2922, 7221), (4383, 4814)]