21969720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61027}}^1$

素因数の和:61044

約数の個数: 48

約数和(自身を含む): 71402760

約数和(自身を除く): 49433040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 61027, 122054, 183081, 244108, 305135, 366162, 488216, 549243, 610270, 732324, 915405, 1098486, 1220540, 1464648, 1830810, 2196972, 2441080, 2746215, 3661620, 4393944, 5492430, 7323240, 10984860, 21969720]

約数ペア:

[(1, 21969720), (2, 10984860), (3, 7323240), (4, 5492430), (5, 4393944), (6, 3661620), (8, 2746215), (9, 2441080), (10, 2196972), (12, 1830810), (15, 1464648), (18, 1220540), (20, 1098486), (24, 915405), (30, 732324), (36, 610270), (40, 549243), (45, 488216), (60, 366162), (72, 305135), (90, 244108), (120, 183081), (180, 122054), (360, 61027)]