21819136

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{2939}}^1$

素因数の和:2984

約数の個数: 36

約数和(自身を含む): 45070200

約数和(自身を除く): 23251064

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 256, 464, 928, 1856, 2939, 3712, 5878, 7424, 11756, 23512, 47024, 85231, 94048, 170462, 188096, 340924, 376192, 681848, 752384, 1363696, 2727392, 5454784, 10909568, 21819136]

約数ペア:

[(1, 21819136), (2, 10909568), (4, 5454784), (8, 2727392), (16, 1363696), (29, 752384), (32, 681848), (58, 376192), (64, 340924), (116, 188096), (128, 170462), (232, 94048), (256, 85231), (464, 47024), (928, 23512), (1856, 11756), (2939, 7424), (3712, 5878)]