21103838145

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1129}}^1\times {\mathrm{10651}}^1$

素因数の和:11807

約数の個数: 64

約数和(自身を含む): 40443513600

約数和(自身を除く): 19339675455

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1129, 1755, 3387, 5645, 10161, 10651, 14677, 16935, 30483, 31953, 44031, 50805, 53255, 73385, 95859, 132093, 138463, 152415, 159765, 220155, 287577, 396279, 415389, 479295, 660465, 692315, 1246167, 1437885, 1981395, 2076945, 3738501, 6230835, 12024979, 18692505, 36074937, 60124895, 108224811, 156324727, 180374685, 324674433, 468974181, 541124055, 781623635, 1406922543, 1623372165, 2344870905, 4220767629, 7034612715, 21103838145]

約数ペア:

[(1, 21103838145), (3, 7034612715), (5, 4220767629), (9, 2344870905), (13, 1623372165), (15, 1406922543), (27, 781623635), (39, 541124055), (45, 468974181), (65, 324674433), (117, 180374685), (135, 156324727), (195, 108224811), (351, 60124895), (585, 36074937), (1129, 18692505), (1755, 12024979), (3387, 6230835), (5645, 3738501), (10161, 2076945), (10651, 1981395), (14677, 1437885), (16935, 1246167), (30483, 692315), (31953, 660465), (44031, 479295), (50805, 415389), (53255, 396279), (73385, 287577), (95859, 220155), (132093, 159765), (138463, 152415)]