21704520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{180871}}^1$

素因数の和:180885

約数の個数: 32

約数和(自身を含む): 65113920

約数和(自身を除く): 43409400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 180871, 361742, 542613, 723484, 904355, 1085226, 1446968, 1808710, 2170452, 2713065, 3617420, 4340904, 5426130, 7234840, 10852260, 21704520]

約数ペア:

[(1, 21704520), (2, 10852260), (3, 7234840), (4, 5426130), (5, 4340904), (6, 3617420), (8, 2713065), (10, 2170452), (12, 1808710), (15, 1446968), (20, 1085226), (24, 904355), (30, 723484), (40, 542613), (60, 361742), (120, 180871)]