21404700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1399}}^1$

素因数の和:1436

約数の個数: 108

約数和(自身を含む): 71089200

約数和(自身を除く): 49684500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 25, 30, 34, 36, 45, 50, 51, 60, 68, 75, 85, 90, 100, 102, 150, 153, 170, 180, 204, 225, 255, 300, 306, 340, 425, 450, 510, 612, 765, 850, 900, 1020, 1275, 1399, 1530, 1700, 2550, 2798, 3060, 3825, 4197, 5100, 5596, 6995, 7650, 8394, 12591, 13990, 15300, 16788, 20985, 23783, 25182, 27980, 34975, 41970, 47566, 50364, 62955, 69950, 71349, 83940, 95132, 104925, 118915, 125910, 139900, 142698, 209850, 214047, 237830, 251820, 285396, 314775, 356745, 419700, 428094, 475660, 594575, 629550, 713490, 856188, 1070235, 1189150, 1259100, 1426980, 1783725, 2140470, 2378300, 3567450, 4280940, 5351175, 7134900, 10702350, 21404700]

約数ペア:

[(1, 21404700), (2, 10702350), (3, 7134900), (4, 5351175), (5, 4280940), (6, 3567450), (9, 2378300), (10, 2140470), (12, 1783725), (15, 1426980), (17, 1259100), (18, 1189150), (20, 1070235), (25, 856188), (30, 713490), (34, 629550), (36, 594575), (45, 475660), (50, 428094), (51, 419700), (60, 356745), (68, 314775), (75, 285396), (85, 251820), (90, 237830), (100, 214047), (102, 209850), (150, 142698), (153, 139900), (170, 125910), (180, 118915), (204, 104925), (225, 95132), (255, 83940), (300, 71349), (306, 69950), (340, 62955), (425, 50364), (450, 47566), (510, 41970), (612, 34975), (765, 27980), (850, 25182), (900, 23783), (1020, 20985), (1275, 16788), (1399, 15300), (1530, 13990), (1700, 12591), (2550, 8394), (2798, 7650), (3060, 6995), (3825, 5596), (4197, 5100)]