21678732

素因数分解:

$2^2\times 3^3\times {\mathrm{181}}^1\times {\mathrm{1109}}^1$

素因数の和:1303

約数の個数: 48

約数和(自身を含む): 56565600

約数和(自身を除く): 34886868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 181, 362, 543, 724, 1086, 1109, 1629, 2172, 2218, 3258, 3327, 4436, 4887, 6516, 6654, 9774, 9981, 13308, 19548, 19962, 29943, 39924, 59886, 119772, 200729, 401458, 602187, 802916, 1204374, 1806561, 2408748, 3613122, 5419683, 7226244, 10839366, 21678732]

約数ペア:

[(1, 21678732), (2, 10839366), (3, 7226244), (4, 5419683), (6, 3613122), (9, 2408748), (12, 1806561), (18, 1204374), (27, 802916), (36, 602187), (54, 401458), (108, 200729), (181, 119772), (362, 59886), (543, 39924), (724, 29943), (1086, 19962), (1109, 19548), (1629, 13308), (2172, 9981), (2218, 9774), (3258, 6654), (3327, 6516), (4436, 4887)]