21282787596

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{770111}}^1$

素因数の和:770179

約数の個数: 72

約数和(自身を含む): 58996740096

約数和(自身を除く): 37713952500

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 49, 84, 94, 98, 141, 147, 188, 196, 282, 294, 329, 564, 588, 658, 987, 1316, 1974, 2303, 3948, 4606, 6909, 9212, 13818, 27636, 770111, 1540222, 2310333, 3080444, 4620666, 5390777, 9241332, 10781554, 16172331, 21563108, 32344662, 36195217, 37735439, 64689324, 72390434, 75470878, 108585651, 113206317, 144780868, 150941756, 217171302, 226412634, 253366519, 434342604, 452825268, 506733038, 760099557, 1013466076, 1520199114, 1773565633, 3040398228, 3547131266, 5320696899, 7094262532, 10641393798, 21282787596]

約数ペア:

[(1, 21282787596), (2, 10641393798), (3, 7094262532), (4, 5320696899), (6, 3547131266), (7, 3040398228), (12, 1773565633), (14, 1520199114), (21, 1013466076), (28, 760099557), (42, 506733038), (47, 452825268), (49, 434342604), (84, 253366519), (94, 226412634), (98, 217171302), (141, 150941756), (147, 144780868), (188, 113206317), (196, 108585651), (282, 75470878), (294, 72390434), (329, 64689324), (564, 37735439), (588, 36195217), (658, 32344662), (987, 21563108), (1316, 16172331), (1974, 10781554), (2303, 9241332), (3948, 5390777), (4606, 4620666), (6909, 3080444), (9212, 2310333), (13818, 1540222), (27636, 770111)]