21507576

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{829}}^1$

素因数の和:908

約数の個数: 64

約数和(自身を含む): 57369600

約数和(自身を除く): 35862024

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 47, 69, 92, 94, 138, 141, 184, 188, 276, 282, 376, 552, 564, 829, 1081, 1128, 1658, 2162, 2487, 3243, 3316, 4324, 4974, 6486, 6632, 8648, 9948, 12972, 19067, 19896, 25944, 38134, 38963, 57201, 76268, 77926, 114402, 116889, 152536, 155852, 228804, 233778, 311704, 457608, 467556, 896149, 935112, 1792298, 2688447, 3584596, 5376894, 7169192, 10753788, 21507576]

約数ペア:

[(1, 21507576), (2, 10753788), (3, 7169192), (4, 5376894), (6, 3584596), (8, 2688447), (12, 1792298), (23, 935112), (24, 896149), (46, 467556), (47, 457608), (69, 311704), (92, 233778), (94, 228804), (138, 155852), (141, 152536), (184, 116889), (188, 114402), (276, 77926), (282, 76268), (376, 57201), (552, 38963), (564, 38134), (829, 25944), (1081, 19896), (1128, 19067), (1658, 12972), (2162, 9948), (2487, 8648), (3243, 6632), (3316, 6486), (4324, 4974)]