21120516

素因数分解:

$2^2\times 3^2\times {\mathrm{107}}^1\times {\mathrm{5483}}^1$

素因数の和:5600

約数の個数: 36

約数和(自身を含む): 53896752

約数和(自身を除く): 32776236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 107, 214, 321, 428, 642, 963, 1284, 1926, 3852, 5483, 10966, 16449, 21932, 32898, 49347, 65796, 98694, 197388, 586681, 1173362, 1760043, 2346724, 3520086, 5280129, 7040172, 10560258, 21120516]

約数ペア:

[(1, 21120516), (2, 10560258), (3, 7040172), (4, 5280129), (6, 3520086), (9, 2346724), (12, 1760043), (18, 1173362), (36, 586681), (107, 197388), (214, 98694), (321, 65796), (428, 49347), (642, 32898), (963, 21932), (1284, 16449), (1926, 10966), (3852, 5483)]