421713556

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{881}}^1$

素因数の和:973

約数の個数: 72

約数和(自身を含む): 867125952

約数和(自身を除く): 445412396

約数列:

[1, 2, 4, 11, 22, 23, 43, 44, 46, 86, 92, 121, 172, 242, 253, 473, 484, 506, 881, 946, 989, 1012, 1762, 1892, 1978, 2783, 3524, 3956, 5203, 5566, 9691, 10406, 10879, 11132, 19382, 20263, 20812, 21758, 37883, 38764, 40526, 43516, 75766, 81052, 106601, 119669, 151532, 213202, 222893, 239338, 416713, 426404, 445786, 478676, 833426, 871309, 891572, 1666852, 1742618, 2451823, 3485236, 4583843, 4903646, 9167686, 9584399, 9807292, 18335372, 19168798, 38337596, 105428389, 210856778, 421713556]

約数ペア:

[(1, 421713556), (2, 210856778), (4, 105428389), (11, 38337596), (22, 19168798), (23, 18335372), (43, 9807292), (44, 9584399), (46, 9167686), (86, 4903646), (92, 4583843), (121, 3485236), (172, 2451823), (242, 1742618), (253, 1666852), (473, 891572), (484, 871309), (506, 833426), (881, 478676), (946, 445786), (989, 426404), (1012, 416713), (1762, 239338), (1892, 222893), (1978, 213202), (2783, 151532), (3524, 119669), (3956, 106601), (5203, 81052), (5566, 75766), (9691, 43516), (10406, 40526), (10879, 38764), (11132, 37883), (19382, 21758), (20263, 20812)]