21455544

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1213}}^1$

素因数の和:1300

約数の個数: 64

約数和(自身を含む): 59437440

約数和(自身を除く): 37981896

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 67, 88, 132, 134, 201, 264, 268, 402, 536, 737, 804, 1213, 1474, 1608, 2211, 2426, 2948, 3639, 4422, 4852, 5896, 7278, 8844, 9704, 13343, 14556, 17688, 26686, 29112, 40029, 53372, 80058, 81271, 106744, 160116, 162542, 243813, 320232, 325084, 487626, 650168, 893981, 975252, 1787962, 1950504, 2681943, 3575924, 5363886, 7151848, 10727772, 21455544]

約数ペア:

[(1, 21455544), (2, 10727772), (3, 7151848), (4, 5363886), (6, 3575924), (8, 2681943), (11, 1950504), (12, 1787962), (22, 975252), (24, 893981), (33, 650168), (44, 487626), (66, 325084), (67, 320232), (88, 243813), (132, 162542), (134, 160116), (201, 106744), (264, 81271), (268, 80058), (402, 53372), (536, 40029), (737, 29112), (804, 26686), (1213, 17688), (1474, 14556), (1608, 13343), (2211, 9704), (2426, 8844), (2948, 7278), (3639, 5896), (4422, 4852)]