21477534

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{359}}^1$

素因数の和:449

約数の個数: 48

約数和(自身を含む): 47433600

約数和(自身を除く): 25956066

約数列:

[1, 2, 3, 6, 13, 26, 39, 59, 78, 118, 169, 177, 338, 354, 359, 507, 718, 767, 1014, 1077, 1534, 2154, 2301, 4602, 4667, 9334, 9971, 14001, 19942, 21181, 28002, 29913, 42362, 59826, 60671, 63543, 121342, 127086, 182013, 275353, 364026, 550706, 826059, 1652118, 3579589, 7159178, 10738767, 21477534]

約数ペア:

[(1, 21477534), (2, 10738767), (3, 7159178), (6, 3579589), (13, 1652118), (26, 826059), (39, 550706), (59, 364026), (78, 275353), (118, 182013), (169, 127086), (177, 121342), (338, 63543), (354, 60671), (359, 59826), (507, 42362), (718, 29913), (767, 28002), (1014, 21181), (1077, 19942), (1534, 14001), (2154, 9971), (2301, 9334), (4602, 4667)]