21122432

素因数分解:

$2^7\times {\mathrm{17}}^2\times {\mathrm{571}}^1$

素因数の和:619

約数の個数: 48

約数和(自身を含む): 44779020

約数和(自身を除く): 23656588

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 289, 544, 571, 578, 1088, 1142, 1156, 2176, 2284, 2312, 4568, 4624, 9136, 9248, 9707, 18272, 18496, 19414, 36544, 36992, 38828, 73088, 77656, 155312, 165019, 310624, 330038, 621248, 660076, 1242496, 1320152, 2640304, 5280608, 10561216, 21122432]

約数ペア:

[(1, 21122432), (2, 10561216), (4, 5280608), (8, 2640304), (16, 1320152), (17, 1242496), (32, 660076), (34, 621248), (64, 330038), (68, 310624), (128, 165019), (136, 155312), (272, 77656), (289, 73088), (544, 38828), (571, 36992), (578, 36544), (1088, 19414), (1142, 18496), (1156, 18272), (2176, 9707), (2284, 9248), (2312, 9136), (4568, 4624)]