21546168

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{463}}^1$

素因数の和:756

約数の個数: 64

約数和(自身を含む): 61916160

約数和(自身を除く): 40369992

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 277, 463, 554, 831, 926, 1108, 1389, 1662, 1852, 1939, 2216, 2778, 3241, 3324, 3704, 3878, 5556, 5817, 6482, 6648, 7756, 9723, 11112, 11634, 12964, 15512, 19446, 23268, 25928, 38892, 46536, 77784, 128251, 256502, 384753, 513004, 769506, 897757, 1026008, 1539012, 1795514, 2693271, 3078024, 3591028, 5386542, 7182056, 10773084, 21546168]

約数ペア:

[(1, 21546168), (2, 10773084), (3, 7182056), (4, 5386542), (6, 3591028), (7, 3078024), (8, 2693271), (12, 1795514), (14, 1539012), (21, 1026008), (24, 897757), (28, 769506), (42, 513004), (56, 384753), (84, 256502), (168, 128251), (277, 77784), (463, 46536), (554, 38892), (831, 25928), (926, 23268), (1108, 19446), (1389, 15512), (1662, 12964), (1852, 11634), (1939, 11112), (2216, 9723), (2778, 7756), (3241, 6648), (3324, 6482), (3704, 5817), (3878, 5556)]