21084585

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{443}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 35804160

約数和(自身を除く): 14719575

約数列:

[1, 3, 5, 15, 19, 57, 95, 167, 285, 443, 501, 835, 1329, 2215, 2505, 3173, 6645, 8417, 9519, 15865, 25251, 42085, 47595, 73981, 126255, 221943, 369905, 1109715, 1405639, 4216917, 7028195, 21084585]

約数ペア:

[(1, 21084585), (3, 7028195), (5, 4216917), (15, 1405639), (19, 1109715), (57, 369905), (95, 221943), (167, 126255), (285, 73981), (443, 47595), (501, 42085), (835, 25251), (1329, 15865), (2215, 9519), (2505, 8417), (3173, 6645)]