21401344

素因数分解:

$2^8\times {\mathrm{41}}^1\times {\mathrm{2039}}^1$

素因数の和:2096

約数の個数: 36

約数和(自身を含む): 43782480

約数和(自身を除く): 22381136

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 256, 328, 656, 1312, 2039, 2624, 4078, 5248, 8156, 10496, 16312, 32624, 65248, 83599, 130496, 167198, 260992, 334396, 521984, 668792, 1337584, 2675168, 5350336, 10700672, 21401344]

約数ペア:

[(1, 21401344), (2, 10700672), (4, 5350336), (8, 2675168), (16, 1337584), (32, 668792), (41, 521984), (64, 334396), (82, 260992), (128, 167198), (164, 130496), (256, 83599), (328, 65248), (656, 32624), (1312, 16312), (2039, 10496), (2624, 8156), (4078, 5248)]