21106988686

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{347143}}^1$

素因数の和:347296

約数の個数: 32

約数和(自身を含む): 37391574528

約数和(自身を除く): 16284585842

約数列:

[1, 2, 7, 14, 43, 86, 101, 202, 301, 602, 707, 1414, 4343, 8686, 30401, 60802, 347143, 694286, 2430001, 4860002, 14927149, 29854298, 35061443, 70122886, 104490043, 208980086, 245430101, 490860202, 1507642049, 3015284098, 10553494343, 21106988686]

約数ペア:

[(1, 21106988686), (2, 10553494343), (7, 3015284098), (14, 1507642049), (43, 490860202), (86, 245430101), (101, 208980086), (202, 104490043), (301, 70122886), (602, 35061443), (707, 29854298), (1414, 14927149), (4343, 4860002), (8686, 2430001), (30401, 694286), (60802, 347143)]