21154170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{5147}}^1$

素因数の和:5294

約数の個数: 32

約数和(自身を含む): 51150528

約数和(自身を除く): 29996358

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 137, 274, 411, 685, 822, 1370, 2055, 4110, 5147, 10294, 15441, 25735, 30882, 51470, 77205, 154410, 705139, 1410278, 2115417, 3525695, 4230834, 7051390, 10577085, 21154170]

約数ペア:

[(1, 21154170), (2, 10577085), (3, 7051390), (5, 4230834), (6, 3525695), (10, 2115417), (15, 1410278), (30, 705139), (137, 154410), (274, 77205), (411, 51470), (685, 30882), (822, 25735), (1370, 15441), (2055, 10294), (4110, 5147)]