21729572

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{941}}^1$

素因数の和:1219

約数の個数: 24

約数和(自身を含む): 39880512

約数和(自身を除く): 18150940

約数列:

[1, 2, 4, 23, 46, 92, 251, 502, 941, 1004, 1882, 3764, 5773, 11546, 21643, 23092, 43286, 86572, 236191, 472382, 944764, 5432393, 10864786, 21729572]

約数ペア:

[(1, 21729572), (2, 10864786), (4, 5432393), (23, 944764), (46, 472382), (92, 236191), (251, 86572), (502, 43286), (941, 23092), (1004, 21643), (1882, 11546), (3764, 5773)]