21663522

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{883}}^1$

素因数の和:967

約数の個数: 48

約数和(自身を含む): 49645440

約数和(自身を除く): 27981918

約数列:

[1, 2, 3, 6, 9, 18, 29, 47, 58, 87, 94, 141, 174, 261, 282, 423, 522, 846, 883, 1363, 1766, 2649, 2726, 4089, 5298, 7947, 8178, 12267, 15894, 24534, 25607, 41501, 51214, 76821, 83002, 124503, 153642, 230463, 249006, 373509, 460926, 747018, 1203529, 2407058, 3610587, 7221174, 10831761, 21663522]

約数ペア:

[(1, 21663522), (2, 10831761), (3, 7221174), (6, 3610587), (9, 2407058), (18, 1203529), (29, 747018), (47, 460926), (58, 373509), (87, 249006), (94, 230463), (141, 153642), (174, 124503), (261, 83002), (282, 76821), (423, 51214), (522, 41501), (846, 25607), (883, 24534), (1363, 15894), (1766, 12267), (2649, 8178), (2726, 7947), (4089, 5298)]