21213810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5749}}^1$

素因数の和:5803

約数の個数: 48

約数和(自身を含む): 56511000

約数和(自身を除く): 35297190

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 41, 45, 82, 90, 123, 205, 246, 369, 410, 615, 738, 1230, 1845, 3690, 5749, 11498, 17247, 28745, 34494, 51741, 57490, 86235, 103482, 172470, 235709, 258705, 471418, 517410, 707127, 1178545, 1414254, 2121381, 2357090, 3535635, 4242762, 7071270, 10606905, 21213810]

約数ペア:

[(1, 21213810), (2, 10606905), (3, 7071270), (5, 4242762), (6, 3535635), (9, 2357090), (10, 2121381), (15, 1414254), (18, 1178545), (30, 707127), (41, 517410), (45, 471418), (82, 258705), (90, 235709), (123, 172470), (205, 103482), (246, 86235), (369, 57490), (410, 51741), (615, 34494), (738, 28745), (1230, 17247), (1845, 11498), (3690, 5749)]