21455304

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{68767}}^1$

素因数の和:68789

約数の個数: 32

約数和(自身を含む): 57765120

約数和(自身を除く): 36309816

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 68767, 137534, 206301, 275068, 412602, 550136, 825204, 893971, 1650408, 1787942, 2681913, 3575884, 5363826, 7151768, 10727652, 21455304]

約数ペア:

[(1, 21455304), (2, 10727652), (3, 7151768), (4, 5363826), (6, 3575884), (8, 2681913), (12, 1787942), (13, 1650408), (24, 893971), (26, 825204), (39, 550136), (52, 412602), (78, 275068), (104, 206301), (156, 137534), (312, 68767)]