21298484

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{3229}}^1$

素因数の和:3347

約数の個数: 24

約数和(自身を含む): 39884040

約数和(自身を除く): 18585556

約数列:

[1, 2, 4, 17, 34, 68, 97, 194, 388, 1649, 3229, 3298, 6458, 6596, 12916, 54893, 109786, 219572, 313213, 626426, 1252852, 5324621, 10649242, 21298484]

約数ペア:

[(1, 21298484), (2, 10649242), (4, 5324621), (17, 1252852), (34, 626426), (68, 313213), (97, 219572), (194, 109786), (388, 54893), (1649, 12916), (3229, 6596), (3298, 6458)]