21000687195

素因数分解:

$3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1213}}^1\times {\mathrm{10589}}^1$

素因数の和:11919

約数の個数: 32

約数和(自身を含む): 33940526400

約数和(自身を除く): 12939839205

約数列:

[1, 3, 5, 15, 109, 327, 545, 1213, 1635, 3639, 6065, 10589, 18195, 31767, 52945, 132217, 158835, 396651, 661085, 1154201, 1983255, 3462603, 5771005, 12844457, 17313015, 38533371, 64222285, 192666855, 1400045813, 4200137439, 7000229065, 21000687195]

約数ペア:

[(1, 21000687195), (3, 7000229065), (5, 4200137439), (15, 1400045813), (109, 192666855), (327, 64222285), (545, 38533371), (1213, 17313015), (1635, 12844457), (3639, 5771005), (6065, 3462603), (10589, 1983255), (18195, 1154201), (31767, 661085), (52945, 396651), (132217, 158835)]