21770650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1721}}^1$

素因数の和:1767

約数の個数: 48

約数和(自身を含む): 46122048

約数和(自身を除く): 24351398

約数列:

[1, 2, 5, 10, 11, 22, 23, 25, 46, 50, 55, 110, 115, 230, 253, 275, 506, 550, 575, 1150, 1265, 1721, 2530, 3442, 6325, 8605, 12650, 17210, 18931, 37862, 39583, 43025, 79166, 86050, 94655, 189310, 197915, 395830, 435413, 473275, 870826, 946550, 989575, 1979150, 2177065, 4354130, 10885325, 21770650]

約数ペア:

[(1, 21770650), (2, 10885325), (5, 4354130), (10, 2177065), (11, 1979150), (22, 989575), (23, 946550), (25, 870826), (46, 473275), (50, 435413), (55, 395830), (110, 197915), (115, 189310), (230, 94655), (253, 86050), (275, 79166), (506, 43025), (550, 39583), (575, 37862), (1150, 18931), (1265, 17210), (1721, 12650), (2530, 8605), (3442, 6325)]