21156000

素因数分解:

$2^5\times 3^1\times 5^3\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:112

約数の個数: 192

約数和(自身を含む): 72648576

約数和(自身を除く): 51492576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 41, 43, 48, 50, 60, 75, 80, 82, 86, 96, 100, 120, 123, 125, 129, 150, 160, 164, 172, 200, 205, 215, 240, 246, 250, 258, 300, 328, 344, 375, 400, 410, 430, 480, 492, 500, 516, 600, 615, 645, 656, 688, 750, 800, 820, 860, 984, 1000, 1025, 1032, 1075, 1200, 1230, 1290, 1312, 1376, 1500, 1640, 1720, 1763, 1968, 2000, 2050, 2064, 2150, 2400, 2460, 2580, 3000, 3075, 3225, 3280, 3440, 3526, 3936, 4000, 4100, 4128, 4300, 4920, 5125, 5160, 5289, 5375, 6000, 6150, 6450, 6560, 6880, 7052, 8200, 8600, 8815, 9840, 10250, 10320, 10578, 10750, 12000, 12300, 12900, 14104, 15375, 16125, 16400, 17200, 17630, 19680, 20500, 20640, 21156, 21500, 24600, 25800, 26445, 28208, 30750, 32250, 32800, 34400, 35260, 41000, 42312, 43000, 44075, 49200, 51600, 52890, 56416, 61500, 64500, 70520, 82000, 84624, 86000, 88150, 98400, 103200, 105780, 123000, 129000, 132225, 141040, 164000, 169248, 172000, 176300, 211560, 220375, 246000, 258000, 264450, 282080, 352600, 423120, 440750, 492000, 516000, 528900, 661125, 705200, 846240, 881500, 1057800, 1322250, 1410400, 1763000, 2115600, 2644500, 3526000, 4231200, 5289000, 7052000, 10578000, 21156000]

約数ペア:

[(1, 21156000), (2, 10578000), (3, 7052000), (4, 5289000), (5, 4231200), (6, 3526000), (8, 2644500), (10, 2115600), (12, 1763000), (15, 1410400), (16, 1322250), (20, 1057800), (24, 881500), (25, 846240), (30, 705200), (32, 661125), (40, 528900), (41, 516000), (43, 492000), (48, 440750), (50, 423120), (60, 352600), (75, 282080), (80, 264450), (82, 258000), (86, 246000), (96, 220375), (100, 211560), (120, 176300), (123, 172000), (125, 169248), (129, 164000), (150, 141040), (160, 132225), (164, 129000), (172, 123000), (200, 105780), (205, 103200), (215, 98400), (240, 88150), (246, 86000), (250, 84624), (258, 82000), (300, 70520), (328, 64500), (344, 61500), (375, 56416), (400, 52890), (410, 51600), (430, 49200), (480, 44075), (492, 43000), (500, 42312), (516, 41000), (600, 35260), (615, 34400), (645, 32800), (656, 32250), (688, 30750), (750, 28208), (800, 26445), (820, 25800), (860, 24600), (984, 21500), (1000, 21156), (1025, 20640), (1032, 20500), (1075, 19680), (1200, 17630), (1230, 17200), (1290, 16400), (1312, 16125), (1376, 15375), (1500, 14104), (1640, 12900), (1720, 12300), (1763, 12000), (1968, 10750), (2000, 10578), (2050, 10320), (2064, 10250), (2150, 9840), (2400, 8815), (2460, 8600), (2580, 8200), (3000, 7052), (3075, 6880), (3225, 6560), (3280, 6450), (3440, 6150), (3526, 6000), (3936, 5375), (4000, 5289), (4100, 5160), (4128, 5125), (4300, 4920)]