21974580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{122081}}^1$

素因数の和:122096

約数の個数: 36

約数和(自身を含む): 66656772

約数和(自身を除く): 44682192

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 122081, 244162, 366243, 488324, 610405, 732486, 1098729, 1220810, 1464972, 1831215, 2197458, 2441620, 3662430, 4394916, 5493645, 7324860, 10987290, 21974580]

約数ペア:

[(1, 21974580), (2, 10987290), (3, 7324860), (4, 5493645), (5, 4394916), (6, 3662430), (9, 2441620), (10, 2197458), (12, 1831215), (15, 1464972), (18, 1220810), (20, 1098729), (30, 732486), (36, 610405), (45, 488324), (60, 366243), (90, 244162), (180, 122081)]