21607527

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 32071680

約数和(自身を除く): 10464153

約数列:

[1, 3, 17, 31, 51, 79, 93, 173, 237, 519, 527, 1343, 1581, 2449, 2941, 4029, 5363, 7347, 8823, 13667, 16089, 41001, 41633, 91171, 124899, 232339, 273513, 423677, 697017, 1271031, 7202509, 21607527]

約数ペア:

[(1, 21607527), (3, 7202509), (17, 1271031), (31, 697017), (51, 423677), (79, 273513), (93, 232339), (173, 124899), (237, 91171), (519, 41633), (527, 41001), (1343, 16089), (1581, 13667), (2449, 8823), (2941, 7347), (4029, 5363)]