21918000

素因数分解:

$2^4\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{281}}^1$

素因数の和:320

約数の個数: 160

約数和(自身を含む): 76370112

約数和(自身を除く): 54452112

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 100, 104, 120, 125, 130, 150, 156, 195, 200, 208, 240, 250, 260, 281, 300, 312, 325, 375, 390, 400, 500, 520, 562, 600, 624, 650, 750, 780, 843, 975, 1000, 1040, 1124, 1200, 1300, 1405, 1500, 1560, 1625, 1686, 1950, 2000, 2248, 2600, 2810, 3000, 3120, 3250, 3372, 3653, 3900, 4215, 4496, 4875, 5200, 5620, 6000, 6500, 6744, 7025, 7306, 7800, 8430, 9750, 10959, 11240, 13000, 13488, 14050, 14612, 15600, 16860, 18265, 19500, 21075, 21918, 22480, 26000, 28100, 29224, 33720, 35125, 36530, 39000, 42150, 43836, 54795, 56200, 58448, 67440, 70250, 73060, 78000, 84300, 87672, 91325, 105375, 109590, 112400, 140500, 146120, 168600, 175344, 182650, 210750, 219180, 273975, 281000, 292240, 337200, 365300, 421500, 438360, 456625, 547950, 562000, 730600, 843000, 876720, 913250, 1095900, 1369875, 1461200, 1686000, 1826500, 2191800, 2739750, 3653000, 4383600, 5479500, 7306000, 10959000, 21918000]

約数ペア:

[(1, 21918000), (2, 10959000), (3, 7306000), (4, 5479500), (5, 4383600), (6, 3653000), (8, 2739750), (10, 2191800), (12, 1826500), (13, 1686000), (15, 1461200), (16, 1369875), (20, 1095900), (24, 913250), (25, 876720), (26, 843000), (30, 730600), (39, 562000), (40, 547950), (48, 456625), (50, 438360), (52, 421500), (60, 365300), (65, 337200), (75, 292240), (78, 281000), (80, 273975), (100, 219180), (104, 210750), (120, 182650), (125, 175344), (130, 168600), (150, 146120), (156, 140500), (195, 112400), (200, 109590), (208, 105375), (240, 91325), (250, 87672), (260, 84300), (281, 78000), (300, 73060), (312, 70250), (325, 67440), (375, 58448), (390, 56200), (400, 54795), (500, 43836), (520, 42150), (562, 39000), (600, 36530), (624, 35125), (650, 33720), (750, 29224), (780, 28100), (843, 26000), (975, 22480), (1000, 21918), (1040, 21075), (1124, 19500), (1200, 18265), (1300, 16860), (1405, 15600), (1500, 14612), (1560, 14050), (1625, 13488), (1686, 13000), (1950, 11240), (2000, 10959), (2248, 9750), (2600, 8430), (2810, 7800), (3000, 7306), (3120, 7025), (3250, 6744), (3372, 6500), (3653, 6000), (3900, 5620), (4215, 5200), (4496, 4875)]