21920280723

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1101577}}^1$

素因数の和:1101664

約数の個数: 32

約数和(自身を含む): 35955505920

約数和(自身を除く): 14035225197

約数列:

[1, 3, 9, 11, 27, 33, 67, 99, 201, 297, 603, 737, 1809, 2211, 6633, 19899, 1101577, 3304731, 9914193, 12117347, 29742579, 36352041, 73805659, 109056123, 221416977, 327168369, 664250931, 811862249, 1992752793, 2435586747, 7306760241, 21920280723]

約数ペア:

[(1, 21920280723), (3, 7306760241), (9, 2435586747), (11, 1992752793), (27, 811862249), (33, 664250931), (67, 327168369), (99, 221416977), (201, 109056123), (297, 73805659), (603, 36352041), (737, 29742579), (1809, 12117347), (2211, 9914193), (6633, 3304731), (19899, 1101577)]