21847371

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1013}}^1$

素因数の和:1115

約数の個数: 32

約数和(自身を含む): 36341760

約数和(自身を除く): 14494389

約数列:

[1, 3, 7, 13, 21, 39, 79, 91, 237, 273, 553, 1013, 1027, 1659, 3039, 3081, 7091, 7189, 13169, 21273, 21567, 39507, 80027, 92183, 240081, 276549, 560189, 1040351, 1680567, 3121053, 7282457, 21847371]

約数ペア:

[(1, 21847371), (3, 7282457), (7, 3121053), (13, 1680567), (21, 1040351), (39, 560189), (79, 276549), (91, 240081), (237, 92183), (273, 80027), (553, 39507), (1013, 21567), (1027, 21273), (1659, 13169), (3039, 7189), (3081, 7091)]