21856554025

素因数分解:

$5^2\times {\mathrm{101}}^1\times {\mathrm{919}}^1\times {\mathrm{9419}}^1$

素因数の和:10449

約数の個数: 24

約数和(自身を含む): 27403156800

約数和(自身を除く): 5546602775

約数列:

[1, 5, 25, 101, 505, 919, 2525, 4595, 9419, 22975, 47095, 92819, 235475, 464095, 951319, 2320475, 4756595, 8656061, 23782975, 43280305, 216401525, 874262161, 4371310805, 21856554025]

約数ペア:

[(1, 21856554025), (5, 4371310805), (25, 874262161), (101, 216401525), (505, 43280305), (919, 23782975), (2525, 8656061), (4595, 4756595), (9419, 2320475), (22975, 951319), (47095, 464095), (92819, 235475)]