21220200

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11789}}^1$

素因数の和:11811

約数の個数: 72

約数和(自身を含む): 71270550

約数和(自身を除く): 50050350

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 11789, 23578, 35367, 47156, 58945, 70734, 94312, 106101, 117890, 141468, 176835, 212202, 235780, 282936, 294725, 353670, 424404, 471560, 530505, 589450, 707340, 848808, 884175, 1061010, 1178900, 1414680, 1768350, 2122020, 2357800, 2652525, 3536700, 4244040, 5305050, 7073400, 10610100, 21220200]

約数ペア:

[(1, 21220200), (2, 10610100), (3, 7073400), (4, 5305050), (5, 4244040), (6, 3536700), (8, 2652525), (9, 2357800), (10, 2122020), (12, 1768350), (15, 1414680), (18, 1178900), (20, 1061010), (24, 884175), (25, 848808), (30, 707340), (36, 589450), (40, 530505), (45, 471560), (50, 424404), (60, 353670), (72, 294725), (75, 282936), (90, 235780), (100, 212202), (120, 176835), (150, 141468), (180, 117890), (200, 106101), (225, 94312), (300, 70734), (360, 58945), (450, 47156), (600, 35367), (900, 23578), (1800, 11789)]