21093360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{491}}^1$

素因数の和:686

約数の個数: 80

約数和(自身を含む): 65888640

約数和(自身を除く): 44795280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 179, 240, 358, 491, 537, 716, 895, 982, 1074, 1432, 1473, 1790, 1964, 2148, 2455, 2685, 2864, 2946, 3580, 3928, 4296, 4910, 5370, 5892, 7160, 7365, 7856, 8592, 9820, 10740, 11784, 14320, 14730, 19640, 21480, 23568, 29460, 39280, 42960, 58920, 87889, 117840, 175778, 263667, 351556, 439445, 527334, 703112, 878890, 1054668, 1318335, 1406224, 1757780, 2109336, 2636670, 3515560, 4218672, 5273340, 7031120, 10546680, 21093360]

約数ペア:

[(1, 21093360), (2, 10546680), (3, 7031120), (4, 5273340), (5, 4218672), (6, 3515560), (8, 2636670), (10, 2109336), (12, 1757780), (15, 1406224), (16, 1318335), (20, 1054668), (24, 878890), (30, 703112), (40, 527334), (48, 439445), (60, 351556), (80, 263667), (120, 175778), (179, 117840), (240, 87889), (358, 58920), (491, 42960), (537, 39280), (716, 29460), (895, 23568), (982, 21480), (1074, 19640), (1432, 14730), (1473, 14320), (1790, 11784), (1964, 10740), (2148, 9820), (2455, 8592), (2685, 7856), (2864, 7365), (2946, 7160), (3580, 5892), (3928, 5370), (4296, 4910)]