21958647

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{1021}}^1$

素因数の和:1198

約数の個数: 16

約数和(自身を含む): 30022272

約数和(自身を除く): 8063625

約数列:

[1, 3, 67, 107, 201, 321, 1021, 3063, 7169, 21507, 68407, 109247, 205221, 327741, 7319549, 21958647]

約数ペア:

[(1, 21958647), (3, 7319549), (67, 327741), (107, 205221), (201, 109247), (321, 68407), (1021, 21507), (3063, 7169)]