21695076

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{307}}^1$

素因数の和:481

約数の個数: 72

約数和(自身を含む): 59643584

約数和(自身を除く): 37948508

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 151, 156, 234, 302, 307, 453, 468, 604, 614, 906, 921, 1228, 1359, 1812, 1842, 1963, 2718, 2763, 3684, 3926, 3991, 5436, 5526, 5889, 7852, 7982, 11052, 11778, 11973, 15964, 17667, 23556, 23946, 35334, 35919, 46357, 47892, 70668, 71838, 92714, 139071, 143676, 185428, 278142, 417213, 556284, 602641, 834426, 1205282, 1668852, 1807923, 2410564, 3615846, 5423769, 7231692, 10847538, 21695076]

約数ペア:

[(1, 21695076), (2, 10847538), (3, 7231692), (4, 5423769), (6, 3615846), (9, 2410564), (12, 1807923), (13, 1668852), (18, 1205282), (26, 834426), (36, 602641), (39, 556284), (52, 417213), (78, 278142), (117, 185428), (151, 143676), (156, 139071), (234, 92714), (302, 71838), (307, 70668), (453, 47892), (468, 46357), (604, 35919), (614, 35334), (906, 23946), (921, 23556), (1228, 17667), (1359, 15964), (1812, 11973), (1842, 11778), (1963, 11052), (2718, 7982), (2763, 7852), (3684, 5889), (3926, 5526), (3991, 5436)]