21127368

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 55411200

約数和(自身を除く): 34283832

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 73, 93, 124, 146, 186, 219, 248, 292, 372, 389, 438, 584, 744, 778, 876, 1167, 1556, 1752, 2263, 2334, 3112, 4526, 4668, 6789, 9052, 9336, 12059, 13578, 18104, 24118, 27156, 28397, 36177, 48236, 54312, 56794, 72354, 85191, 96472, 113588, 144708, 170382, 227176, 289416, 340764, 681528, 880307, 1760614, 2640921, 3521228, 5281842, 7042456, 10563684, 21127368]

約数ペア:

[(1, 21127368), (2, 10563684), (3, 7042456), (4, 5281842), (6, 3521228), (8, 2640921), (12, 1760614), (24, 880307), (31, 681528), (62, 340764), (73, 289416), (93, 227176), (124, 170382), (146, 144708), (186, 113588), (219, 96472), (248, 85191), (292, 72354), (372, 56794), (389, 54312), (438, 48236), (584, 36177), (744, 28397), (778, 27156), (876, 24118), (1167, 18104), (1556, 13578), (1752, 12059), (2263, 9336), (2334, 9052), (3112, 6789), (4526, 4668)]