21488190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{283}}^1\times {\mathrm{2531}}^1$

素因数の和:2824

約数の個数: 32

約数和(自身を含む): 51774336

約数和(自身を除く): 30286146

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 283, 566, 849, 1415, 1698, 2531, 2830, 4245, 5062, 7593, 8490, 12655, 15186, 25310, 37965, 75930, 716273, 1432546, 2148819, 3581365, 4297638, 7162730, 10744095, 21488190]

約数ペア:

[(1, 21488190), (2, 10744095), (3, 7162730), (5, 4297638), (6, 3581365), (10, 2148819), (15, 1432546), (30, 716273), (283, 75930), (566, 37965), (849, 25310), (1415, 15186), (1698, 12655), (2531, 8490), (2830, 7593), (4245, 5062)]