21127110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{457}}^1$

素因数の和:557

約数の個数: 64

約数和(自身を含む): 53816832

約数和(自身を除く): 32689722

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 67, 69, 115, 134, 138, 201, 230, 335, 345, 402, 457, 670, 690, 914, 1005, 1371, 1541, 2010, 2285, 2742, 3082, 4570, 4623, 6855, 7705, 9246, 10511, 13710, 15410, 21022, 23115, 30619, 31533, 46230, 52555, 61238, 63066, 91857, 105110, 153095, 157665, 183714, 306190, 315330, 459285, 704237, 918570, 1408474, 2112711, 3521185, 4225422, 7042370, 10563555, 21127110]

約数ペア:

[(1, 21127110), (2, 10563555), (3, 7042370), (5, 4225422), (6, 3521185), (10, 2112711), (15, 1408474), (23, 918570), (30, 704237), (46, 459285), (67, 315330), (69, 306190), (115, 183714), (134, 157665), (138, 153095), (201, 105110), (230, 91857), (335, 63066), (345, 61238), (402, 52555), (457, 46230), (670, 31533), (690, 30619), (914, 23115), (1005, 21022), (1371, 15410), (1541, 13710), (2010, 10511), (2285, 9246), (2742, 7705), (3082, 6855), (4570, 4623)]