21268736

素因数分解:

$2^8\times {\mathrm{251}}^1\times {\mathrm{331}}^1$

素因数の和:598

約数の個数: 36

約数和(自身を含む): 42752304

約数和(自身を除く): 21483568

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 251, 256, 331, 502, 662, 1004, 1324, 2008, 2648, 4016, 5296, 8032, 10592, 16064, 21184, 32128, 42368, 64256, 83081, 84736, 166162, 332324, 664648, 1329296, 2658592, 5317184, 10634368, 21268736]

約数ペア:

[(1, 21268736), (2, 10634368), (4, 5317184), (8, 2658592), (16, 1329296), (32, 664648), (64, 332324), (128, 166162), (251, 84736), (256, 83081), (331, 64256), (502, 42368), (662, 32128), (1004, 21184), (1324, 16064), (2008, 10592), (2648, 8032), (4016, 5296)]