21208000

素因数分解:

$2^6\times 5^3\times {\mathrm{11}}^1\times {\mathrm{241}}^1$

素因数の和:279

約数の個数: 112

約数和(自身を含む): 57534048

約数和(自身を除く): 36326048

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 125, 160, 176, 200, 220, 241, 250, 275, 320, 352, 400, 440, 482, 500, 550, 704, 800, 880, 964, 1000, 1100, 1205, 1375, 1600, 1760, 1928, 2000, 2200, 2410, 2651, 2750, 3520, 3856, 4000, 4400, 4820, 5302, 5500, 6025, 7712, 8000, 8800, 9640, 10604, 11000, 12050, 13255, 15424, 17600, 19280, 21208, 22000, 24100, 26510, 30125, 38560, 42416, 44000, 48200, 53020, 60250, 66275, 77120, 84832, 88000, 96400, 106040, 120500, 132550, 169664, 192800, 212080, 241000, 265100, 331375, 385600, 424160, 482000, 530200, 662750, 848320, 964000, 1060400, 1325500, 1928000, 2120800, 2651000, 4241600, 5302000, 10604000, 21208000]

約数ペア:

[(1, 21208000), (2, 10604000), (4, 5302000), (5, 4241600), (8, 2651000), (10, 2120800), (11, 1928000), (16, 1325500), (20, 1060400), (22, 964000), (25, 848320), (32, 662750), (40, 530200), (44, 482000), (50, 424160), (55, 385600), (64, 331375), (80, 265100), (88, 241000), (100, 212080), (110, 192800), (125, 169664), (160, 132550), (176, 120500), (200, 106040), (220, 96400), (241, 88000), (250, 84832), (275, 77120), (320, 66275), (352, 60250), (400, 53020), (440, 48200), (482, 44000), (500, 42416), (550, 38560), (704, 30125), (800, 26510), (880, 24100), (964, 22000), (1000, 21208), (1100, 19280), (1205, 17600), (1375, 15424), (1600, 13255), (1760, 12050), (1928, 11000), (2000, 10604), (2200, 9640), (2410, 8800), (2651, 8000), (2750, 7712), (3520, 6025), (3856, 5500), (4000, 5302), (4400, 4820)]