21449490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1783}}^1$

素因数の和:2194

約数の個数: 32

約数和(自身を含む): 51636096

約数和(自身を除く): 30186606

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 401, 802, 1203, 1783, 2005, 2406, 3566, 4010, 5349, 6015, 8915, 10698, 12030, 17830, 26745, 53490, 714983, 1429966, 2144949, 3574915, 4289898, 7149830, 10724745, 21449490]

約数ペア:

[(1, 21449490), (2, 10724745), (3, 7149830), (5, 4289898), (6, 3574915), (10, 2144949), (15, 1429966), (30, 714983), (401, 53490), (802, 26745), (1203, 17830), (1783, 12030), (2005, 10698), (2406, 8915), (3566, 6015), (4010, 5349)]