21026520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19469}}^1$

素因数の和:19489

約数の個数: 64

約数和(自身を含む): 70092000

約数和(自身を除く): 49065480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 19469, 38938, 58407, 77876, 97345, 116814, 155752, 175221, 194690, 233628, 292035, 350442, 389380, 467256, 525663, 584070, 700884, 778760, 876105, 1051326, 1168140, 1401768, 1752210, 2102652, 2336280, 2628315, 3504420, 4205304, 5256630, 7008840, 10513260, 21026520]

約数ペア:

[(1, 21026520), (2, 10513260), (3, 7008840), (4, 5256630), (5, 4205304), (6, 3504420), (8, 2628315), (9, 2336280), (10, 2102652), (12, 1752210), (15, 1401768), (18, 1168140), (20, 1051326), (24, 876105), (27, 778760), (30, 700884), (36, 584070), (40, 525663), (45, 467256), (54, 389380), (60, 350442), (72, 292035), (90, 233628), (108, 194690), (120, 175221), (135, 155752), (180, 116814), (216, 97345), (270, 77876), (360, 58407), (540, 38938), (1080, 19469)]