21220352

素因数分解:

$2^{10}\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:113

約数の個数: 88

約数和(自身を含む): 47752416

約数和(自身を除く): 26532064

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 53, 64, 68, 92, 106, 128, 136, 184, 212, 256, 272, 368, 391, 424, 512, 544, 736, 782, 848, 901, 1024, 1088, 1219, 1472, 1564, 1696, 1802, 2176, 2438, 2944, 3128, 3392, 3604, 4352, 4876, 5888, 6256, 6784, 7208, 8704, 9752, 11776, 12512, 13568, 14416, 17408, 19504, 20723, 23552, 25024, 27136, 28832, 39008, 41446, 50048, 54272, 57664, 78016, 82892, 100096, 115328, 156032, 165784, 200192, 230656, 312064, 331568, 400384, 461312, 624128, 663136, 922624, 1248256, 1326272, 2652544, 5305088, 10610176, 21220352]

約数ペア:

[(1, 21220352), (2, 10610176), (4, 5305088), (8, 2652544), (16, 1326272), (17, 1248256), (23, 922624), (32, 663136), (34, 624128), (46, 461312), (53, 400384), (64, 331568), (68, 312064), (92, 230656), (106, 200192), (128, 165784), (136, 156032), (184, 115328), (212, 100096), (256, 82892), (272, 78016), (368, 57664), (391, 54272), (424, 50048), (512, 41446), (544, 39008), (736, 28832), (782, 27136), (848, 25024), (901, 23552), (1024, 20723), (1088, 19504), (1219, 17408), (1472, 14416), (1564, 13568), (1696, 12512), (1802, 11776), (2176, 9752), (2438, 8704), (2944, 7208), (3128, 6784), (3392, 6256), (3604, 5888), (4352, 4876)]