21945355490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1462049}}^1$

素因数の和:1462154

約数の個数: 32

約数和(自身を含む): 42107040000

約数和(自身を除く): 20161684510

約数列:

[1, 2, 5, 10, 19, 38, 79, 95, 158, 190, 395, 790, 1501, 3002, 7505, 15010, 1462049, 2924098, 7310245, 14620490, 27778931, 55557862, 115501871, 138894655, 231003742, 277789310, 577509355, 1155018710, 2194535549, 4389071098, 10972677745, 21945355490]

約数ペア:

[(1, 21945355490), (2, 10972677745), (5, 4389071098), (10, 2194535549), (19, 1155018710), (38, 577509355), (79, 277789310), (95, 231003742), (158, 138894655), (190, 115501871), (395, 55557862), (790, 27778931), (1501, 14620490), (3002, 7310245), (7505, 2924098), (15010, 1462049)]