21000273900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{8291}}^1\times {\mathrm{8443}}^1$

素因数の和:16751

約数の個数: 72

約数和(自身を含む): 60775318464

約数和(自身を除く): 39775044564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 8291, 8443, 16582, 16886, 24873, 25329, 33164, 33772, 41455, 42215, 49746, 50658, 82910, 84430, 99492, 101316, 124365, 126645, 165820, 168860, 207275, 211075, 248730, 253290, 414550, 422150, 497460, 506580, 621825, 633225, 829100, 844300, 1243650, 1266450, 2487300, 2532900, 70000913, 140001826, 210002739, 280003652, 350004565, 420005478, 700009130, 840010956, 1050013695, 1400018260, 1750022825, 2100027390, 3500045650, 4200054780, 5250068475, 7000091300, 10500136950, 21000273900]

約数ペア:

[(1, 21000273900), (2, 10500136950), (3, 7000091300), (4, 5250068475), (5, 4200054780), (6, 3500045650), (10, 2100027390), (12, 1750022825), (15, 1400018260), (20, 1050013695), (25, 840010956), (30, 700009130), (50, 420005478), (60, 350004565), (75, 280003652), (100, 210002739), (150, 140001826), (300, 70000913), (8291, 2532900), (8443, 2487300), (16582, 1266450), (16886, 1243650), (24873, 844300), (25329, 829100), (33164, 633225), (33772, 621825), (41455, 506580), (42215, 497460), (49746, 422150), (50658, 414550), (82910, 253290), (84430, 248730), (99492, 211075), (101316, 207275), (124365, 168860), (126645, 165820)]