21078251248

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{1427}}^1\times {\mathrm{8963}}^1$

素因数の和:10501

約数の個数: 40

約数和(自身を含む): 41269108608

約数和(自身を除く): 20190857360

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1427, 1648, 2854, 5708, 8963, 11416, 17926, 22832, 35852, 71704, 143408, 146981, 293962, 587924, 923189, 1175848, 1846378, 2351696, 3692756, 7385512, 12790201, 14771024, 25580402, 51160804, 102321608, 204643216, 1317390703, 2634781406, 5269562812, 10539125624, 21078251248]

約数ペア:

[(1, 21078251248), (2, 10539125624), (4, 5269562812), (8, 2634781406), (16, 1317390703), (103, 204643216), (206, 102321608), (412, 51160804), (824, 25580402), (1427, 14771024), (1648, 12790201), (2854, 7385512), (5708, 3692756), (8963, 2351696), (11416, 1846378), (17926, 1175848), (22832, 923189), (35852, 587924), (71704, 293962), (143408, 146981)]