21193746

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{9521}}^1$

素因数の和:9586

約数の個数: 32

約数和(自身を含む): 49362048

約数和(自身を除く): 28168302

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 53, 106, 159, 318, 371, 742, 1113, 2226, 9521, 19042, 28563, 57126, 66647, 133294, 199941, 399882, 504613, 1009226, 1513839, 3027678, 3532291, 7064582, 10596873, 21193746]

約数ペア:

[(1, 21193746), (2, 10596873), (3, 7064582), (6, 3532291), (7, 3027678), (14, 1513839), (21, 1009226), (42, 504613), (53, 399882), (106, 199941), (159, 133294), (318, 66647), (371, 57126), (742, 28563), (1113, 19042), (2226, 9521)]