21370077

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:761

約数の個数: 24

約数和(自身を含む): 31943808

約数和(自身を除く): 10573731

約数列:

[1, 3, 9, 53, 71, 159, 213, 477, 631, 639, 1893, 3763, 5679, 11289, 33443, 33867, 44801, 100329, 134403, 300987, 403209, 2374453, 7123359, 21370077]

約数ペア:

[(1, 21370077), (3, 7123359), (9, 2374453), (53, 403209), (71, 300987), (159, 134403), (213, 100329), (477, 44801), (631, 33867), (639, 33443), (1893, 11289), (3763, 5679)]