2021042940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71821}}^1$

素因数の和:71907

約数の個数: 96

約数和(自身を含む): 6563956224

約数和(自身を除く): 4542913284

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 67, 70, 84, 105, 134, 140, 201, 210, 268, 335, 402, 420, 469, 670, 804, 938, 1005, 1340, 1407, 1876, 2010, 2345, 2814, 4020, 4690, 5628, 7035, 9380, 14070, 28140, 71821, 143642, 215463, 287284, 359105, 430926, 502747, 718210, 861852, 1005494, 1077315, 1436420, 1508241, 2010988, 2154630, 2513735, 3016482, 4309260, 4812007, 5027470, 6032964, 7541205, 9624014, 10054940, 14436021, 15082410, 19248028, 24060035, 28872042, 30164820, 33684049, 48120070, 57744084, 67368098, 72180105, 96240140, 101052147, 134736196, 144360210, 168420245, 202104294, 288720420, 336840490, 404208588, 505260735, 673680980, 1010521470, 2021042940]

約数ペア:

[(1, 2021042940), (2, 1010521470), (3, 673680980), (4, 505260735), (5, 404208588), (6, 336840490), (7, 288720420), (10, 202104294), (12, 168420245), (14, 144360210), (15, 134736196), (20, 101052147), (21, 96240140), (28, 72180105), (30, 67368098), (35, 57744084), (42, 48120070), (60, 33684049), (67, 30164820), (70, 28872042), (84, 24060035), (105, 19248028), (134, 15082410), (140, 14436021), (201, 10054940), (210, 9624014), (268, 7541205), (335, 6032964), (402, 5027470), (420, 4812007), (469, 4309260), (670, 3016482), (804, 2513735), (938, 2154630), (1005, 2010988), (1340, 1508241), (1407, 1436420), (1876, 1077315), (2010, 1005494), (2345, 861852), (2814, 718210), (4020, 502747), (4690, 430926), (5628, 359105), (7035, 287284), (9380, 215463), (14070, 143642), (28140, 71821)]