21029400

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{1669}}^1$

素因数の和:1698

約数の個数: 144

約数和(自身を含む): 80761200

約数和(自身を除く): 59731800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 50, 56, 60, 63, 70, 72, 75, 84, 90, 100, 105, 120, 126, 140, 150, 168, 175, 180, 200, 210, 225, 252, 280, 300, 315, 350, 360, 420, 450, 504, 525, 600, 630, 700, 840, 900, 1050, 1260, 1400, 1575, 1669, 1800, 2100, 2520, 3150, 3338, 4200, 5007, 6300, 6676, 8345, 10014, 11683, 12600, 13352, 15021, 16690, 20028, 23366, 25035, 30042, 33380, 35049, 40056, 41725, 46732, 50070, 58415, 60084, 66760, 70098, 75105, 83450, 93464, 100140, 105147, 116830, 120168, 125175, 140196, 150210, 166900, 175245, 200280, 210294, 233660, 250350, 280392, 292075, 300420, 333800, 350490, 375525, 420588, 467320, 500700, 525735, 584150, 600840, 700980, 751050, 841176, 876225, 1001400, 1051470, 1168300, 1401960, 1502100, 1752450, 2102940, 2336600, 2628675, 3004200, 3504900, 4205880, 5257350, 7009800, 10514700, 21029400]

約数ペア:

[(1, 21029400), (2, 10514700), (3, 7009800), (4, 5257350), (5, 4205880), (6, 3504900), (7, 3004200), (8, 2628675), (9, 2336600), (10, 2102940), (12, 1752450), (14, 1502100), (15, 1401960), (18, 1168300), (20, 1051470), (21, 1001400), (24, 876225), (25, 841176), (28, 751050), (30, 700980), (35, 600840), (36, 584150), (40, 525735), (42, 500700), (45, 467320), (50, 420588), (56, 375525), (60, 350490), (63, 333800), (70, 300420), (72, 292075), (75, 280392), (84, 250350), (90, 233660), (100, 210294), (105, 200280), (120, 175245), (126, 166900), (140, 150210), (150, 140196), (168, 125175), (175, 120168), (180, 116830), (200, 105147), (210, 100140), (225, 93464), (252, 83450), (280, 75105), (300, 70098), (315, 66760), (350, 60084), (360, 58415), (420, 50070), (450, 46732), (504, 41725), (525, 40056), (600, 35049), (630, 33380), (700, 30042), (840, 25035), (900, 23366), (1050, 20028), (1260, 16690), (1400, 15021), (1575, 13352), (1669, 12600), (1800, 11683), (2100, 10014), (2520, 8345), (3150, 6676), (3338, 6300), (4200, 5007)]