21077232

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:243

約数の個数: 120

約数和(自身を含む): 63329280

約数和(自身を除く): 42252048

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 33, 38, 44, 48, 57, 66, 76, 88, 114, 121, 132, 152, 176, 191, 209, 228, 242, 264, 304, 363, 382, 418, 456, 484, 528, 573, 627, 726, 764, 836, 912, 968, 1146, 1254, 1452, 1528, 1672, 1936, 2101, 2292, 2299, 2508, 2904, 3056, 3344, 3629, 4202, 4584, 4598, 5016, 5808, 6303, 6897, 7258, 8404, 9168, 9196, 10032, 10887, 12606, 13794, 14516, 16808, 18392, 21774, 23111, 25212, 27588, 29032, 33616, 36784, 39919, 43548, 46222, 50424, 55176, 58064, 69333, 79838, 87096, 92444, 100848, 110352, 119757, 138666, 159676, 174192, 184888, 239514, 277332, 319352, 369776, 439109, 479028, 554664, 638704, 878218, 958056, 1109328, 1317327, 1756436, 1916112, 2634654, 3512872, 5269308, 7025744, 10538616, 21077232]

約数ペア:

[(1, 21077232), (2, 10538616), (3, 7025744), (4, 5269308), (6, 3512872), (8, 2634654), (11, 1916112), (12, 1756436), (16, 1317327), (19, 1109328), (22, 958056), (24, 878218), (33, 638704), (38, 554664), (44, 479028), (48, 439109), (57, 369776), (66, 319352), (76, 277332), (88, 239514), (114, 184888), (121, 174192), (132, 159676), (152, 138666), (176, 119757), (191, 110352), (209, 100848), (228, 92444), (242, 87096), (264, 79838), (304, 69333), (363, 58064), (382, 55176), (418, 50424), (456, 46222), (484, 43548), (528, 39919), (573, 36784), (627, 33616), (726, 29032), (764, 27588), (836, 25212), (912, 23111), (968, 21774), (1146, 18392), (1254, 16808), (1452, 14516), (1528, 13794), (1672, 12606), (1936, 10887), (2101, 10032), (2292, 9196), (2299, 9168), (2508, 8404), (2904, 7258), (3056, 6897), (3344, 6303), (3629, 5808), (4202, 5016), (4584, 4598)]