21363732

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:453

約数の個数: 72

約数和(自身を含む): 58705920

約数和(自身を除く): 37342188

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 191, 234, 239, 382, 468, 478, 573, 717, 764, 956, 1146, 1434, 1719, 2151, 2292, 2483, 2868, 3107, 3438, 4302, 4966, 6214, 6876, 7449, 8604, 9321, 9932, 12428, 14898, 18642, 22347, 27963, 29796, 37284, 44694, 45649, 55926, 89388, 91298, 111852, 136947, 182596, 273894, 410841, 547788, 593437, 821682, 1186874, 1643364, 1780311, 2373748, 3560622, 5340933, 7121244, 10681866, 21363732]

約数ペア:

[(1, 21363732), (2, 10681866), (3, 7121244), (4, 5340933), (6, 3560622), (9, 2373748), (12, 1780311), (13, 1643364), (18, 1186874), (26, 821682), (36, 593437), (39, 547788), (52, 410841), (78, 273894), (117, 182596), (156, 136947), (191, 111852), (234, 91298), (239, 89388), (382, 55926), (468, 45649), (478, 44694), (573, 37284), (717, 29796), (764, 27963), (956, 22347), (1146, 18642), (1434, 14898), (1719, 12428), (2151, 9932), (2292, 9321), (2483, 8604), (2868, 7449), (3107, 6876), (3438, 6214), (4302, 4966)]