21089203585

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{787}}^1\times {\mathrm{5419}}^1$

素因数の和:6277

約数の個数: 32

約数和(自身を含む): 27060802560

約数和(自身を除く): 5971598975

約数列:

[1, 5, 23, 43, 115, 215, 787, 989, 3935, 4945, 5419, 18101, 27095, 33841, 90505, 124637, 169205, 233017, 623185, 778343, 1165085, 3891715, 4264753, 5359391, 21323765, 26796955, 98089319, 183384379, 490446595, 916921895, 4217840717, 21089203585]

約数ペア:

[(1, 21089203585), (5, 4217840717), (23, 916921895), (43, 490446595), (115, 183384379), (215, 98089319), (787, 26796955), (989, 21323765), (3935, 5359391), (4945, 4264753), (5419, 3891715), (18101, 1165085), (27095, 778343), (33841, 623185), (90505, 233017), (124637, 169205)]