21067800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:142

約数の個数: 192

約数和(自身を含む): 73224480

約数和(自身を除く): 52156680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 37, 39, 40, 50, 52, 60, 65, 73, 74, 75, 78, 100, 104, 111, 120, 130, 146, 148, 150, 156, 185, 195, 200, 219, 222, 260, 292, 296, 300, 312, 325, 365, 370, 390, 438, 444, 481, 520, 555, 584, 600, 650, 730, 740, 780, 876, 888, 925, 949, 962, 975, 1095, 1110, 1300, 1443, 1460, 1480, 1560, 1752, 1825, 1850, 1898, 1924, 1950, 2190, 2220, 2405, 2600, 2701, 2775, 2847, 2886, 2920, 3650, 3700, 3796, 3848, 3900, 4380, 4440, 4745, 4810, 5402, 5475, 5550, 5694, 5772, 7215, 7300, 7400, 7592, 7800, 8103, 8760, 9490, 9620, 10804, 10950, 11100, 11388, 11544, 12025, 13505, 14235, 14430, 14600, 16206, 18980, 19240, 21608, 21900, 22200, 22776, 23725, 24050, 27010, 28470, 28860, 32412, 35113, 36075, 37960, 40515, 43800, 47450, 48100, 54020, 56940, 57720, 64824, 67525, 70226, 71175, 72150, 81030, 94900, 96200, 105339, 108040, 113880, 135050, 140452, 142350, 144300, 162060, 175565, 189800, 202575, 210678, 270100, 280904, 284700, 288600, 324120, 351130, 405150, 421356, 526695, 540200, 569400, 702260, 810300, 842712, 877825, 1053390, 1404520, 1620600, 1755650, 2106780, 2633475, 3511300, 4213560, 5266950, 7022600, 10533900, 21067800]

約数ペア:

[(1, 21067800), (2, 10533900), (3, 7022600), (4, 5266950), (5, 4213560), (6, 3511300), (8, 2633475), (10, 2106780), (12, 1755650), (13, 1620600), (15, 1404520), (20, 1053390), (24, 877825), (25, 842712), (26, 810300), (30, 702260), (37, 569400), (39, 540200), (40, 526695), (50, 421356), (52, 405150), (60, 351130), (65, 324120), (73, 288600), (74, 284700), (75, 280904), (78, 270100), (100, 210678), (104, 202575), (111, 189800), (120, 175565), (130, 162060), (146, 144300), (148, 142350), (150, 140452), (156, 135050), (185, 113880), (195, 108040), (200, 105339), (219, 96200), (222, 94900), (260, 81030), (292, 72150), (296, 71175), (300, 70226), (312, 67525), (325, 64824), (365, 57720), (370, 56940), (390, 54020), (438, 48100), (444, 47450), (481, 43800), (520, 40515), (555, 37960), (584, 36075), (600, 35113), (650, 32412), (730, 28860), (740, 28470), (780, 27010), (876, 24050), (888, 23725), (925, 22776), (949, 22200), (962, 21900), (975, 21608), (1095, 19240), (1110, 18980), (1300, 16206), (1443, 14600), (1460, 14430), (1480, 14235), (1560, 13505), (1752, 12025), (1825, 11544), (1850, 11388), (1898, 11100), (1924, 10950), (1950, 10804), (2190, 9620), (2220, 9490), (2405, 8760), (2600, 8103), (2701, 7800), (2775, 7592), (2847, 7400), (2886, 7300), (2920, 7215), (3650, 5772), (3700, 5694), (3796, 5550), (3848, 5475), (3900, 5402), (4380, 4810), (4440, 4745)]