21500016

素因数分解:

$2^4\times 3^1\times {\mathrm{401}}^1\times {\mathrm{1117}}^1$

素因数の和:1529

約数の個数: 40

約数和(自身を含む): 55730064

約数和(自身を除く): 34230048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 401, 802, 1117, 1203, 1604, 2234, 2406, 3208, 3351, 4468, 4812, 6416, 6702, 8936, 9624, 13404, 17872, 19248, 26808, 53616, 447917, 895834, 1343751, 1791668, 2687502, 3583336, 5375004, 7166672, 10750008, 21500016]

約数ペア:

[(1, 21500016), (2, 10750008), (3, 7166672), (4, 5375004), (6, 3583336), (8, 2687502), (12, 1791668), (16, 1343751), (24, 895834), (48, 447917), (401, 53616), (802, 26808), (1117, 19248), (1203, 17872), (1604, 13404), (2234, 9624), (2406, 8936), (3208, 6702), (3351, 6416), (4468, 4812)]