21280924248

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{587}}^1\times {\mathrm{65677}}^1$

素因数の和:66296

約数の個数: 64

約数和(自身を含む): 55610876160

約数和(自身を除く): 34329951912

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 184, 276, 552, 587, 1174, 1761, 2348, 3522, 4696, 7044, 13501, 14088, 27002, 40503, 54004, 65677, 81006, 108008, 131354, 162012, 197031, 262708, 324024, 394062, 525416, 788124, 1510571, 1576248, 3021142, 4531713, 6042284, 9063426, 12084568, 18126852, 36253704, 38552399, 77104798, 115657197, 154209596, 231314394, 308419192, 462628788, 886705177, 925257576, 1773410354, 2660115531, 3546820708, 5320231062, 7093641416, 10640462124, 21280924248]

約数ペア:

[(1, 21280924248), (2, 10640462124), (3, 7093641416), (4, 5320231062), (6, 3546820708), (8, 2660115531), (12, 1773410354), (23, 925257576), (24, 886705177), (46, 462628788), (69, 308419192), (92, 231314394), (138, 154209596), (184, 115657197), (276, 77104798), (552, 38552399), (587, 36253704), (1174, 18126852), (1761, 12084568), (2348, 9063426), (3522, 6042284), (4696, 4531713), (7044, 3021142), (13501, 1576248), (14088, 1510571), (27002, 788124), (40503, 525416), (54004, 394062), (65677, 324024), (81006, 262708), (108008, 197031), (131354, 162012)]