21899229

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{659}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 12315171

約数列:

[1, 3, 11, 19, 33, 53, 57, 159, 209, 583, 627, 659, 1007, 1749, 1977, 3021, 7249, 11077, 12521, 21747, 33231, 34927, 37563, 104781, 137731, 384197, 413193, 663613, 1152591, 1990839, 7299743, 21899229]

約数ペア:

[(1, 21899229), (3, 7299743), (11, 1990839), (19, 1152591), (33, 663613), (53, 413193), (57, 384197), (159, 137731), (209, 104781), (583, 37563), (627, 34927), (659, 33231), (1007, 21747), (1749, 12521), (1977, 11077), (3021, 7249)]