21309641055

素因数分解:

$3^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{541}}^1\times {\mathrm{1031}}^1$

素因数の和:1869

約数の個数: 64

約数和(自身を含む): 38124887040

約数和(自身を除く): 16815245985

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 283, 541, 849, 1031, 1415, 1623, 2547, 2705, 3093, 4245, 4869, 5155, 7641, 8115, 9279, 12735, 14607, 15465, 24345, 27837, 38205, 46395, 73035, 139185, 153103, 291773, 459309, 557771, 765515, 875319, 1377927, 1458865, 1673313, 2296545, 2625957, 2788855, 4133781, 4376595, 5019939, 6889635, 7877871, 8366565, 13129785, 15059817, 20668905, 25099695, 39389355, 75299085, 157849193, 473547579, 789245965, 1420642737, 2367737895, 4261928211, 7103213685, 21309641055]

約数ペア:

[(1, 21309641055), (3, 7103213685), (5, 4261928211), (9, 2367737895), (15, 1420642737), (27, 789245965), (45, 473547579), (135, 157849193), (283, 75299085), (541, 39389355), (849, 25099695), (1031, 20668905), (1415, 15059817), (1623, 13129785), (2547, 8366565), (2705, 7877871), (3093, 6889635), (4245, 5019939), (4869, 4376595), (5155, 4133781), (7641, 2788855), (8115, 2625957), (9279, 2296545), (12735, 1673313), (14607, 1458865), (15465, 1377927), (24345, 875319), (27837, 765515), (38205, 557771), (46395, 459309), (73035, 291773), (139185, 153103)]