2100156975

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{269}}^1\times {\mathrm{4957}}^1$

素因数の和:5249

約数の個数: 72

約数和(自身を含む): 4315839840

約数和(自身を除く): 2215682865

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 269, 315, 525, 807, 1345, 1575, 1883, 2421, 4035, 4957, 5649, 6725, 9415, 12105, 14871, 16947, 20175, 24785, 28245, 34699, 44613, 47075, 60525, 74355, 84735, 104097, 123925, 141225, 173495, 223065, 312291, 371775, 423675, 520485, 867475, 1115325, 1333433, 1561455, 2602425, 4000299, 6667165, 7807275, 9334031, 12000897, 20001495, 28002093, 33335825, 46670155, 60004485, 84006279, 100007475, 140010465, 233350775, 300022425, 420031395, 700052325, 2100156975]

約数ペア:

[(1, 2100156975), (3, 700052325), (5, 420031395), (7, 300022425), (9, 233350775), (15, 140010465), (21, 100007475), (25, 84006279), (35, 60004485), (45, 46670155), (63, 33335825), (75, 28002093), (105, 20001495), (175, 12000897), (225, 9334031), (269, 7807275), (315, 6667165), (525, 4000299), (807, 2602425), (1345, 1561455), (1575, 1333433), (1883, 1115325), (2421, 867475), (4035, 520485), (4957, 423675), (5649, 371775), (6725, 312291), (9415, 223065), (12105, 173495), (14871, 141225), (16947, 123925), (20175, 104097), (24785, 84735), (28245, 74355), (34699, 60525), (44613, 47075)]