21913072

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:373

約数の個数: 40

約数和(自身を含む): 43747200

約数和(自身を除く): 21834128

約数列:

[1, 2, 4, 8, 16, 59, 118, 139, 167, 236, 278, 334, 472, 556, 668, 944, 1112, 1336, 2224, 2672, 8201, 9853, 16402, 19706, 23213, 32804, 39412, 46426, 65608, 78824, 92852, 131216, 157648, 185704, 371408, 1369567, 2739134, 5478268, 10956536, 21913072]

約数ペア:

[(1, 21913072), (2, 10956536), (4, 5478268), (8, 2739134), (16, 1369567), (59, 371408), (118, 185704), (139, 157648), (167, 131216), (236, 92852), (278, 78824), (334, 65608), (472, 46426), (556, 39412), (668, 32804), (944, 23213), (1112, 19706), (1336, 16402), (2224, 9853), (2672, 8201)]