21765406

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2141}}^1$

素因数の和:2196

約数の個数: 32

約数和(自身を含む): 38864448

約数和(自身を除く): 17099042

約数列:

[1, 2, 13, 17, 23, 26, 34, 46, 221, 299, 391, 442, 598, 782, 2141, 4282, 5083, 10166, 27833, 36397, 49243, 55666, 72794, 98486, 473161, 640159, 837131, 946322, 1280318, 1674262, 10882703, 21765406]

約数ペア:

[(1, 21765406), (2, 10882703), (13, 1674262), (17, 1280318), (23, 946322), (26, 837131), (34, 640159), (46, 473161), (221, 98486), (299, 72794), (391, 55666), (442, 49243), (598, 36397), (782, 27833), (2141, 10166), (4282, 5083)]