21784682018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2999}}^1\times {\mathrm{10651}}^1$

素因数の和:13694

約数の個数: 32

約数和(自身を含む): 36813312000

約数和(自身を除く): 15028629982

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 2999, 5998, 10651, 21302, 32989, 65978, 92969, 117161, 185938, 234322, 330181, 660362, 1022659, 2045318, 3631991, 7263982, 31942349, 63884698, 351365839, 702731678, 990212819, 1980425638, 10892341009, 21784682018]

約数ペア:

[(1, 21784682018), (2, 10892341009), (11, 1980425638), (22, 990212819), (31, 702731678), (62, 351365839), (341, 63884698), (682, 31942349), (2999, 7263982), (5998, 3631991), (10651, 2045318), (21302, 1022659), (32989, 660362), (65978, 330181), (92969, 234322), (117161, 185938)]