21809969168

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{149}}^1\times {\mathrm{54133}}^1$

素因数の和:54316

約数の個数: 60

約数和(自身を含む): 46065327300

約数和(自身を除く): 24255358132

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 149, 169, 208, 298, 338, 596, 676, 1192, 1352, 1937, 2384, 2704, 3874, 7748, 15496, 25181, 30992, 50362, 54133, 100724, 108266, 201448, 216532, 402896, 433064, 703729, 866128, 1407458, 2814916, 5629832, 8065817, 9148477, 11259664, 16131634, 18296954, 32263268, 36593908, 64526536, 73187816, 104855621, 129053072, 146375632, 209711242, 419422484, 838844968, 1363123073, 1677689936, 2726246146, 5452492292, 10904984584, 21809969168]

約数ペア:

[(1, 21809969168), (2, 10904984584), (4, 5452492292), (8, 2726246146), (13, 1677689936), (16, 1363123073), (26, 838844968), (52, 419422484), (104, 209711242), (149, 146375632), (169, 129053072), (208, 104855621), (298, 73187816), (338, 64526536), (596, 36593908), (676, 32263268), (1192, 18296954), (1352, 16131634), (1937, 11259664), (2384, 9148477), (2704, 8065817), (3874, 5629832), (7748, 2814916), (15496, 1407458), (25181, 866128), (30992, 703729), (50362, 433064), (54133, 402896), (100724, 216532), (108266, 201448)]