21000859215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{5701}}^1\times {\mathrm{35083}}^1$

素因数の和:40799

約数の個数: 32

約数和(自身を含む): 38409401856

約数和(自身を除く): 17408542641

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 5701, 17103, 28505, 35083, 39907, 85515, 105249, 119721, 175415, 199535, 245581, 526245, 598605, 736743, 1227905, 3683715, 200008183, 600024549, 1000040915, 1400057281, 3000122745, 4200171843, 7000286405, 21000859215]

約数ペア:

[(1, 21000859215), (3, 7000286405), (5, 4200171843), (7, 3000122745), (15, 1400057281), (21, 1000040915), (35, 600024549), (105, 200008183), (5701, 3683715), (17103, 1227905), (28505, 736743), (35083, 598605), (39907, 526245), (85515, 245581), (105249, 199535), (119721, 175415)]