21552700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1$

素因数の和:367

約数の個数: 72

約数和(自身を含む): 51402960

約数和(自身を除く): 29850260

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 59, 65, 100, 118, 130, 236, 260, 281, 295, 325, 562, 590, 650, 767, 1124, 1180, 1300, 1405, 1475, 1534, 2810, 2950, 3068, 3653, 3835, 5620, 5900, 7025, 7306, 7670, 14050, 14612, 15340, 16579, 18265, 19175, 28100, 33158, 36530, 38350, 66316, 73060, 76700, 82895, 91325, 165790, 182650, 215527, 331580, 365300, 414475, 431054, 828950, 862108, 1077635, 1657900, 2155270, 4310540, 5388175, 10776350, 21552700]

約数ペア:

[(1, 21552700), (2, 10776350), (4, 5388175), (5, 4310540), (10, 2155270), (13, 1657900), (20, 1077635), (25, 862108), (26, 828950), (50, 431054), (52, 414475), (59, 365300), (65, 331580), (100, 215527), (118, 182650), (130, 165790), (236, 91325), (260, 82895), (281, 76700), (295, 73060), (325, 66316), (562, 38350), (590, 36530), (650, 33158), (767, 28100), (1124, 19175), (1180, 18265), (1300, 16579), (1405, 15340), (1475, 14612), (1534, 14050), (2810, 7670), (2950, 7306), (3068, 7025), (3653, 5900), (3835, 5620)]