21341300

素因数分解:

$2^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{2113}}^1$

素因数の和:2228

約数の個数: 36

約数和(自身を含む): 46791276

約数和(自身を除く): 25449976

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 202, 404, 505, 1010, 2020, 2113, 2525, 4226, 5050, 8452, 10100, 10565, 21130, 42260, 52825, 105650, 211300, 213413, 426826, 853652, 1067065, 2134130, 4268260, 5335325, 10670650, 21341300]

約数ペア:

[(1, 21341300), (2, 10670650), (4, 5335325), (5, 4268260), (10, 2134130), (20, 1067065), (25, 853652), (50, 426826), (100, 213413), (101, 211300), (202, 105650), (404, 52825), (505, 42260), (1010, 21130), (2020, 10565), (2113, 10100), (2525, 8452), (4226, 5050)]