21324180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2713}}^1$

素因数の和:2856

約数の個数: 48

約数和(自身を含む): 60185664

約数和(自身を除く): 38861484

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2620, 2713, 3930, 5426, 7860, 8139, 10852, 13565, 16278, 27130, 32556, 40695, 54260, 81390, 162780, 355403, 710806, 1066209, 1421612, 1777015, 2132418, 3554030, 4264836, 5331045, 7108060, 10662090, 21324180]

約数ペア:

[(1, 21324180), (2, 10662090), (3, 7108060), (4, 5331045), (5, 4264836), (6, 3554030), (10, 2132418), (12, 1777015), (15, 1421612), (20, 1066209), (30, 710806), (60, 355403), (131, 162780), (262, 81390), (393, 54260), (524, 40695), (655, 32556), (786, 27130), (1310, 16278), (1572, 13565), (1965, 10852), (2620, 8139), (2713, 7860), (3930, 5426)]