21577235180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{479}}^1\times {\mathrm{97927}}^1$

素因数の和:98438

約数の個数: 48

約数和(自身を含む): 47381483520

約数和(自身を除く): 25804248340

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 479, 958, 1916, 2395, 4790, 9580, 11017, 22034, 44068, 55085, 97927, 110170, 195854, 220340, 391708, 489635, 979270, 1958540, 2252321, 4504642, 9009284, 11261605, 22523210, 45046420, 46907033, 93814066, 187628132, 234535165, 469070330, 938140660, 1078861759, 2157723518, 4315447036, 5394308795, 10788617590, 21577235180]

約数ペア:

[(1, 21577235180), (2, 10788617590), (4, 5394308795), (5, 4315447036), (10, 2157723518), (20, 1078861759), (23, 938140660), (46, 469070330), (92, 234535165), (115, 187628132), (230, 93814066), (460, 46907033), (479, 45046420), (958, 22523210), (1916, 11261605), (2395, 9009284), (4790, 4504642), (9580, 2252321), (11017, 1958540), (22034, 979270), (44068, 489635), (55085, 391708), (97927, 220340), (110170, 195854)]