21394432

素因数分解:

$2^{10}\times {\mathrm{17}}^1\times {\mathrm{1229}}^1$

素因数の和:1266

約数の個数: 44

約数和(自身を含む): 45320580

約数和(自身を除く): 23926148

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 1024, 1088, 1229, 2176, 2458, 4352, 4916, 8704, 9832, 17408, 19664, 20893, 39328, 41786, 78656, 83572, 157312, 167144, 314624, 334288, 629248, 668576, 1258496, 1337152, 2674304, 5348608, 10697216, 21394432]

約数ペア:

[(1, 21394432), (2, 10697216), (4, 5348608), (8, 2674304), (16, 1337152), (17, 1258496), (32, 668576), (34, 629248), (64, 334288), (68, 314624), (128, 167144), (136, 157312), (256, 83572), (272, 78656), (512, 41786), (544, 39328), (1024, 20893), (1088, 19664), (1229, 17408), (2176, 9832), (2458, 8704), (4352, 4916)]