21455410128

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{827}}^1\times {\mathrm{28447}}^1$

素因数の和:29304

約数の個数: 80

約数和(自身を含む): 58416261120

約数和(自身を除く): 36960850992

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 827, 912, 1654, 2481, 3308, 4962, 6616, 9924, 13232, 15713, 19848, 28447, 31426, 39696, 47139, 56894, 62852, 85341, 94278, 113788, 125704, 170682, 188556, 227576, 251408, 341364, 377112, 455152, 540493, 682728, 754224, 1080986, 1365456, 1621479, 2161972, 3242958, 4323944, 6485916, 8647888, 12971832, 23525669, 25943664, 47051338, 70577007, 94102676, 141154014, 188205352, 282308028, 376410704, 446987711, 564616056, 893975422, 1129232112, 1340963133, 1787950844, 2681926266, 3575901688, 5363852532, 7151803376, 10727705064, 21455410128]

約数ペア:

[(1, 21455410128), (2, 10727705064), (3, 7151803376), (4, 5363852532), (6, 3575901688), (8, 2681926266), (12, 1787950844), (16, 1340963133), (19, 1129232112), (24, 893975422), (38, 564616056), (48, 446987711), (57, 376410704), (76, 282308028), (114, 188205352), (152, 141154014), (228, 94102676), (304, 70577007), (456, 47051338), (827, 25943664), (912, 23525669), (1654, 12971832), (2481, 8647888), (3308, 6485916), (4962, 4323944), (6616, 3242958), (9924, 2161972), (13232, 1621479), (15713, 1365456), (19848, 1080986), (28447, 754224), (31426, 682728), (39696, 540493), (47139, 455152), (56894, 377112), (62852, 341364), (85341, 251408), (94278, 227576), (113788, 188556), (125704, 170682)]