21573900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{23971}}^1$

素因数の和:23991

約数の個数: 54

約数和(自身を含む): 67625012

約数和(自身を除く): 46051112

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 23971, 47942, 71913, 95884, 119855, 143826, 215739, 239710, 287652, 359565, 431478, 479420, 599275, 719130, 862956, 1078695, 1198550, 1438260, 1797825, 2157390, 2397100, 3595650, 4314780, 5393475, 7191300, 10786950, 21573900]

約数ペア:

[(1, 21573900), (2, 10786950), (3, 7191300), (4, 5393475), (5, 4314780), (6, 3595650), (9, 2397100), (10, 2157390), (12, 1797825), (15, 1438260), (18, 1198550), (20, 1078695), (25, 862956), (30, 719130), (36, 599275), (45, 479420), (50, 431478), (60, 359565), (75, 287652), (90, 239710), (100, 215739), (150, 143826), (180, 119855), (225, 95884), (300, 71913), (450, 47942), (900, 23971)]