21836790

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{26959}}^1$

素因数の和:26978

約数の個数: 40

約数和(自身を含む): 58718880

約数和(自身を除く): 36882090

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 26959, 53918, 80877, 134795, 161754, 242631, 269590, 404385, 485262, 727893, 808770, 1213155, 1455786, 2183679, 2426310, 3639465, 4367358, 7278930, 10918395, 21836790]

約数ペア:

[(1, 21836790), (2, 10918395), (3, 7278930), (5, 4367358), (6, 3639465), (9, 2426310), (10, 2183679), (15, 1455786), (18, 1213155), (27, 808770), (30, 727893), (45, 485262), (54, 404385), (81, 269590), (90, 242631), (135, 161754), (162, 134795), (270, 80877), (405, 53918), (810, 26959)]